Home / 156,445.64-216,073.18-106,057.16

Finding the Fourth Proportional to 156,445.64, 216,073.18 and 106,057.16

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Solution

The fourth proportional to 156,445.64, 216,073.18 and 106,057.16 is: 146,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,445.64 : 216,073.18 = 106,057.16 : x
  2. Step 2: Convert to fraction form
    156,445.64/216,073.18 = 106,057.16/x
  3. Step 3: Cross multiply
    156,445.64x = 216,073.18 × 106,057.16
  4. Step 4: Simplify right side
    156,445.64x = 22,916,107,822.97
  5. Step 5: Solve for x
    x = 22,916,107,822.97/156,445.64
  6. Step 6: Final answer
    x = 146,479.68

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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.