Home / 156,273.66-215,613.90-98,136.66

Finding the Fourth Proportional to 156,273.66, 215,613.90 and 98,136.66

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Solution

The fourth proportional to 156,273.66, 215,613.90 and 98,136.66 is: 135,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,273.66 : 215,613.90 = 98,136.66 : x
  2. Step 2: Convert to fraction form
    156,273.66/215,613.90 = 98,136.66/x
  3. Step 3: Cross multiply
    156,273.66x = 215,613.90 × 98,136.66
  4. Step 4: Simplify right side
    156,273.66x = 21,159,627,995.57
  5. Step 5: Solve for x
    x = 21,159,627,995.57/156,273.66
  6. Step 6: Final answer
    x = 135,401.12

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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.