Home / 156,722.68-235,100.43-51,549.85

Finding the Fourth Proportional to 156,722.68, 235,100.43 and 51,549.85

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Solution

The fourth proportional to 156,722.68, 235,100.43 and 51,549.85 is: 77,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,722.68 : 235,100.43 = 51,549.85 : x
  2. Step 2: Convert to fraction form
    156,722.68/235,100.43 = 51,549.85/x
  3. Step 3: Cross multiply
    156,722.68x = 235,100.43 × 51,549.85
  4. Step 4: Simplify right side
    156,722.68x = 12,119,391,901.44
  5. Step 5: Solve for x
    x = 12,119,391,901.44/156,722.68
  6. Step 6: Final answer
    x = 77,330.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.