Home / 156,456.28-234,708.90-56,605.96

Finding the Fourth Proportional to 156,456.28, 234,708.90 and 56,605.96

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Solution

The fourth proportional to 156,456.28, 234,708.90 and 56,605.96 is: 84,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,456.28 : 234,708.90 = 56,605.96 : x
  2. Step 2: Convert to fraction form
    156,456.28/234,708.90 = 56,605.96/x
  3. Step 3: Cross multiply
    156,456.28x = 234,708.90 × 56,605.96
  4. Step 4: Simplify right side
    156,456.28x = 13,285,922,605.04
  5. Step 5: Solve for x
    x = 13,285,922,605.04/156,456.28
  6. Step 6: Final answer
    x = 84,917.80

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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.