Home / 239,287.38-330,194.01-141,155.31

Finding the Fourth Proportional to 239,287.38, 330,194.01 and 141,155.31

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Solution

The fourth proportional to 239,287.38, 330,194.01 and 141,155.31 is: 194,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,287.38 : 330,194.01 = 141,155.31 : x
  2. Step 2: Convert to fraction form
    239,287.38/330,194.01 = 141,155.31/x
  3. Step 3: Cross multiply
    239,287.38x = 330,194.01 × 141,155.31
  4. Step 4: Simplify right side
    239,287.38x = 46,608,637,841.69
  5. Step 5: Solve for x
    x = 46,608,637,841.69/239,287.38
  6. Step 6: Final answer
    x = 194,781.01

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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.