Home / 181,386.09-272,107.31-92,591.55

Finding the Fourth Proportional to 181,386.09, 272,107.31 and 92,591.55

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Solution

The fourth proportional to 181,386.09, 272,107.31 and 92,591.55 is: 138,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,386.09 : 272,107.31 = 92,591.55 : x
  2. Step 2: Convert to fraction form
    181,386.09/272,107.31 = 92,591.55/x
  3. Step 3: Cross multiply
    181,386.09x = 272,107.31 × 92,591.55
  4. Step 4: Simplify right side
    181,386.09x = 25,194,837,136.27
  5. Step 5: Solve for x
    x = 25,194,837,136.27/181,386.09
  6. Step 6: Final answer
    x = 138,901.70

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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.