Home / 156,132.60-215,463.54-84,512.53

Finding the Fourth Proportional to 156,132.60, 215,463.54 and 84,512.53

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Solution

The fourth proportional to 156,132.60, 215,463.54 and 84,512.53 is: 116,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,132.60 : 215,463.54 = 84,512.53 : x
  2. Step 2: Convert to fraction form
    156,132.60/215,463.54 = 84,512.53/x
  3. Step 3: Cross multiply
    156,132.60x = 215,463.54 × 84,512.53
  4. Step 4: Simplify right side
    156,132.60x = 18,209,368,888.16
  5. Step 5: Solve for x
    x = 18,209,368,888.16/156,132.60
  6. Step 6: Final answer
    x = 116,627.59

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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.