Home / 176,256,100.90-264,384,151.35-128,480,356.90

Finding the Fourth Proportional to 176,256,100.90, 264,384,151.35 and 128,480,356.90

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Solution

The fourth proportional to 176,256,100.90, 264,384,151.35 and 128,480,356.90 is: 192,720,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,256,100.90 : 264,384,151.35 = 128,480,356.90 : x
  2. Step 2: Convert to fraction form
    176,256,100.90/264,384,151.35 = 128,480,356.90/x
  3. Step 3: Cross multiply
    176,256,100.90x = 264,384,151.35 × 128,480,356.90
  4. Step 4: Simplify right side
    176,256,100.90x = 33,968,170,124,151,616
  5. Step 5: Solve for x
    x = 33,968,170,124,151,616/176,256,100.90
  6. Step 6: Final answer
    x = 192,720,535.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.