Home / 156,439.61-234,666.24-76,544.85

Finding the Fourth Proportional to 156,439.61, 234,666.24 and 76,544.85

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Solution

The fourth proportional to 156,439.61, 234,666.24 and 76,544.85 is: 114,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,439.61 : 234,666.24 = 76,544.85 : x
  2. Step 2: Convert to fraction form
    156,439.61/234,666.24 = 76,544.85/x
  3. Step 3: Cross multiply
    156,439.61x = 234,666.24 × 76,544.85
  4. Step 4: Simplify right side
    156,439.61x = 17,962,490,753.82
  5. Step 5: Solve for x
    x = 17,962,490,753.82/156,439.61
  6. Step 6: Final answer
    x = 114,820.61

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1.5x scale

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.