Home / 156,531.96-234,643.50-100,211.76

Finding the Fourth Proportional to 156,531.96, 234,643.50 and 100,211.76

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Solution

The fourth proportional to 156,531.96, 234,643.50 and 100,211.76 is: 150,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,531.96 : 234,643.50 = 100,211.76 : x
  2. Step 2: Convert to fraction form
    156,531.96/234,643.50 = 100,211.76/x
  3. Step 3: Cross multiply
    156,531.96x = 234,643.50 × 100,211.76
  4. Step 4: Simplify right side
    156,531.96x = 23,514,038,107.56
  5. Step 5: Solve for x
    x = 23,514,038,107.56/156,531.96
  6. Step 6: Final answer
    x = 150,218.77

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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.