Home / 235,943.02-325,590.14-128,512.54

Finding the Fourth Proportional to 235,943.02, 325,590.14 and 128,512.54

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Solution

The fourth proportional to 235,943.02, 325,590.14 and 128,512.54 is: 177,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,943.02 : 325,590.14 = 128,512.54 : x
  2. Step 2: Convert to fraction form
    235,943.02/325,590.14 = 128,512.54/x
  3. Step 3: Cross multiply
    235,943.02x = 325,590.14 × 128,512.54
  4. Step 4: Simplify right side
    235,943.02x = 41,842,415,890.36
  5. Step 5: Solve for x
    x = 41,842,415,890.36/235,943.02
  6. Step 6: Final answer
    x = 177,341.19

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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.