Home / 156,152.10-215,489.66-84,532.11

Finding the Fourth Proportional to 156,152.10, 215,489.66 and 84,532.11

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Solution

The fourth proportional to 156,152.10, 215,489.66 and 84,532.11 is: 116,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,152.10 : 215,489.66 = 84,532.11 : x
  2. Step 2: Convert to fraction form
    156,152.10/215,489.66 = 84,532.11/x
  3. Step 3: Cross multiply
    156,152.10x = 215,489.66 × 84,532.11
  4. Step 4: Simplify right side
    156,152.10x = 18,215,795,220.32
  5. Step 5: Solve for x
    x = 18,215,795,220.32/156,152.10
  6. Step 6: Final answer
    x = 116,654.18

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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.