Home / 156,933.20-235,399.80-51,726.80

Finding the Fourth Proportional to 156,933.20, 235,399.80 and 51,726.80

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Solution

The fourth proportional to 156,933.20, 235,399.80 and 51,726.80 is: 77,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.20 : 235,399.80 = 51,726.80 : x
  2. Step 2: Convert to fraction form
    156,933.20/235,399.80 = 51,726.80/x
  3. Step 3: Cross multiply
    156,933.20x = 235,399.80 × 51,726.80
  4. Step 4: Simplify right side
    156,933.20x = 12,176,478,374.64
  5. Step 5: Solve for x
    x = 12,176,478,374.64/156,933.20
  6. Step 6: Final answer
    x = 77,590.20

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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.