Home / 235,648.02-325,200.09-128,223.95

Finding the Fourth Proportional to 235,648.02, 325,200.09 and 128,223.95

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Solution

The fourth proportional to 235,648.02, 325,200.09 and 128,223.95 is: 176,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,648.02 : 325,200.09 = 128,223.95 : x
  2. Step 2: Convert to fraction form
    235,648.02/325,200.09 = 128,223.95/x
  3. Step 3: Cross multiply
    235,648.02x = 325,200.09 × 128,223.95
  4. Step 4: Simplify right side
    235,648.02x = 41,698,438,454.16
  5. Step 5: Solve for x
    x = 41,698,438,454.16/235,648.02
  6. Step 6: Final answer
    x = 176,952.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.