Home / 156,754.12-235,127.07-55,550.70

Finding the Fourth Proportional to 156,754.12, 235,127.07 and 55,550.70

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Solution

The fourth proportional to 156,754.12, 235,127.07 and 55,550.70 is: 83,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,754.12 : 235,127.07 = 55,550.70 : x
  2. Step 2: Convert to fraction form
    156,754.12/235,127.07 = 55,550.70/x
  3. Step 3: Cross multiply
    156,754.12x = 235,127.07 × 55,550.70
  4. Step 4: Simplify right side
    156,754.12x = 13,061,473,327.45
  5. Step 5: Solve for x
    x = 13,061,473,327.45/156,754.12
  6. Step 6: Final answer
    x = 83,324.59

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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.