Home / 156,432.88-234,649.32-45,633.52

Finding the Fourth Proportional to 156,432.88, 234,649.32 and 45,633.52

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Solution

The fourth proportional to 156,432.88, 234,649.32 and 45,633.52 is: 68,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,432.88 : 234,649.32 = 45,633.52 : x
  2. Step 2: Convert to fraction form
    156,432.88/234,649.32 = 45,633.52/x
  3. Step 3: Cross multiply
    156,432.88x = 234,649.32 × 45,633.52
  4. Step 4: Simplify right side
    156,432.88x = 10,707,874,437.21
  5. Step 5: Solve for x
    x = 10,707,874,437.21/156,432.88
  6. Step 6: Final answer
    x = 68,450.28

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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.