Home / 156,740.16-216,305.68-92,213.92

Finding the Fourth Proportional to 156,740.16, 216,305.68 and 92,213.92

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Solution

The fourth proportional to 156,740.16, 216,305.68 and 92,213.92 is: 127,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.16 : 216,305.68 = 92,213.92 : x
  2. Step 2: Convert to fraction form
    156,740.16/216,305.68 = 92,213.92/x
  3. Step 3: Cross multiply
    156,740.16x = 216,305.68 × 92,213.92
  4. Step 4: Simplify right side
    156,740.16x = 19,946,394,671.07
  5. Step 5: Solve for x
    x = 19,946,394,671.07/156,740.16
  6. Step 6: Final answer
    x = 127,257.72

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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.