Home / 119,116.72-178,637.16-39,136.12

Finding the Fourth Proportional to 119,116.72, 178,637.16 and 39,136.12

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Solution

The fourth proportional to 119,116.72, 178,637.16 and 39,136.12 is: 58,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,116.72 : 178,637.16 = 39,136.12 : x
  2. Step 2: Convert to fraction form
    119,116.72/178,637.16 = 39,136.12/x
  3. Step 3: Cross multiply
    119,116.72x = 178,637.16 × 39,136.12
  4. Step 4: Simplify right side
    119,116.72x = 6,991,165,330.22
  5. Step 5: Solve for x
    x = 6,991,165,330.22/119,116.72
  6. Step 6: Final answer
    x = 58,691.72

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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.