Home / 156,658.28-216,192.08-92,996.32

Finding the Fourth Proportional to 156,658.28, 216,192.08 and 92,996.32

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Solution

The fourth proportional to 156,658.28, 216,192.08 and 92,996.32 is: 128,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,658.28 : 216,192.08 = 92,996.32 : x
  2. Step 2: Convert to fraction form
    156,658.28/216,192.08 = 92,996.32/x
  3. Step 3: Cross multiply
    156,658.28x = 216,192.08 × 92,996.32
  4. Step 4: Simplify right side
    156,658.28x = 20,105,067,853.15
  5. Step 5: Solve for x
    x = 20,105,067,853.15/156,658.28
  6. Step 6: Final answer
    x = 128,337.09

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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.