Home / 156,088.13-215,403.14-84,469.64

Finding the Fourth Proportional to 156,088.13, 215,403.14 and 84,469.64

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Solution

The fourth proportional to 156,088.13, 215,403.14 and 84,469.64 is: 116,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,088.13 : 215,403.14 = 84,469.64 : x
  2. Step 2: Convert to fraction form
    156,088.13/215,403.14 = 84,469.64/x
  3. Step 3: Cross multiply
    156,088.13x = 215,403.14 × 84,469.64
  4. Step 4: Simplify right side
    156,088.13x = 18,195,026,440.35
  5. Step 5: Solve for x
    x = 18,195,026,440.35/156,088.13
  6. Step 6: Final answer
    x = 116,568.93

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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.