Home / 156,172.08-215,517.56-84,552.12

Finding the Fourth Proportional to 156,172.08, 215,517.56 and 84,552.12

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Solution

The fourth proportional to 156,172.08, 215,517.56 and 84,552.12 is: 116,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,172.08 : 215,517.56 = 84,552.12 : x
  2. Step 2: Convert to fraction form
    156,172.08/215,517.56 = 84,552.12/x
  3. Step 3: Cross multiply
    156,172.08x = 215,517.56 × 84,552.12
  4. Step 4: Simplify right side
    156,172.08x = 18,222,466,595.23
  5. Step 5: Solve for x
    x = 18,222,466,595.23/156,172.08
  6. Step 6: Final answer
    x = 116,681.97

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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.