Home / 156,780.80-235,010.14-61,972.48

Finding the Fourth Proportional to 156,780.80, 235,010.14 and 61,972.48

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Solution

The fourth proportional to 156,780.80, 235,010.14 and 61,972.48 is: 92,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,780.80 : 235,010.14 = 61,972.48 : x
  2. Step 2: Convert to fraction form
    156,780.80/235,010.14 = 61,972.48/x
  3. Step 3: Cross multiply
    156,780.80x = 235,010.14 × 61,972.48
  4. Step 4: Simplify right side
    156,780.80x = 14,564,161,200.95
  5. Step 5: Solve for x
    x = 14,564,161,200.95/156,780.80
  6. Step 6: Final answer
    x = 92,895.06

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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.