Home / 156,456.64-216,088.38-106,068.16

Finding the Fourth Proportional to 156,456.64, 216,088.38 and 106,068.16

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Solution

The fourth proportional to 156,456.64, 216,088.38 and 106,068.16 is: 146,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,456.64 : 216,088.38 = 106,068.16 : x
  2. Step 2: Convert to fraction form
    156,456.64/216,088.38 = 106,068.16/x
  3. Step 3: Cross multiply
    156,456.64x = 216,088.38 × 106,068.16
  4. Step 4: Simplify right side
    156,456.64x = 22,920,096,863.98
  5. Step 5: Solve for x
    x = 22,920,096,863.98/156,456.64
  6. Step 6: Final answer
    x = 146,494.88

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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.