Home / 156,312.28-215,709.54-92,680.24

Finding the Fourth Proportional to 156,312.28, 215,709.54 and 92,680.24

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Solution

The fourth proportional to 156,312.28, 215,709.54 and 92,680.24 is: 127,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,312.28 : 215,709.54 = 92,680.24 : x
  2. Step 2: Convert to fraction form
    156,312.28/215,709.54 = 92,680.24/x
  3. Step 3: Cross multiply
    156,312.28x = 215,709.54 × 92,680.24
  4. Step 4: Simplify right side
    156,312.28x = 19,992,011,937.49
  5. Step 5: Solve for x
    x = 19,992,011,937.49/156,312.28
  6. Step 6: Final answer
    x = 127,897.90

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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.