Home / 156,553.20-216,043.24-84,933.20

Finding the Fourth Proportional to 156,553.20, 216,043.24 and 84,933.20

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Solution

The fourth proportional to 156,553.20, 216,043.24 and 84,933.20 is: 117,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,553.20 : 216,043.24 = 84,933.20 : x
  2. Step 2: Convert to fraction form
    156,553.20/216,043.24 = 84,933.20/x
  3. Step 3: Cross multiply
    156,553.20x = 216,043.24 × 84,933.20
  4. Step 4: Simplify right side
    156,553.20x = 18,349,243,711.57
  5. Step 5: Solve for x
    x = 18,349,243,711.57/156,553.20
  6. Step 6: Final answer
    x = 117,207.72

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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.