Home / 156,433.47-215,861.99-96,006.66

Finding the Fourth Proportional to 156,433.47, 215,861.99 and 96,006.66

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Solution

The fourth proportional to 156,433.47, 215,861.99 and 96,006.66 is: 132,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,433.47 : 215,861.99 = 96,006.66 : x
  2. Step 2: Convert to fraction form
    156,433.47/215,861.99 = 96,006.66/x
  3. Step 3: Cross multiply
    156,433.47x = 215,861.99 × 96,006.66
  4. Step 4: Simplify right side
    156,433.47x = 20,724,188,680.85
  5. Step 5: Solve for x
    x = 20,724,188,680.85/156,433.47
  6. Step 6: Final answer
    x = 132,479.25

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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.