Home / 177,851.27-266,776.89-72,670.13

Finding the Fourth Proportional to 177,851.27, 266,776.89 and 72,670.13

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Solution

The fourth proportional to 177,851.27, 266,776.89 and 72,670.13 is: 109,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,851.27 : 266,776.89 = 72,670.13 : x
  2. Step 2: Convert to fraction form
    177,851.27/266,776.89 = 72,670.13/x
  3. Step 3: Cross multiply
    177,851.27x = 266,776.89 × 72,670.13
  4. Step 4: Simplify right side
    177,851.27x = 19,386,711,277.30
  5. Step 5: Solve for x
    x = 19,386,711,277.30/177,851.27
  6. Step 6: Final answer
    x = 109,005.19

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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.