Home / 157,572.82-236,359.26-52,392.70

Finding the Fourth Proportional to 157,572.82, 236,359.26 and 52,392.70

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Solution

The fourth proportional to 157,572.82, 236,359.26 and 52,392.70 is: 78,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,572.82 : 236,359.26 = 52,392.70 : x
  2. Step 2: Convert to fraction form
    157,572.82/236,359.26 = 52,392.70/x
  3. Step 3: Cross multiply
    157,572.82x = 236,359.26 × 52,392.70
  4. Step 4: Simplify right side
    157,572.82x = 12,383,499,801.40
  5. Step 5: Solve for x
    x = 12,383,499,801.40/157,572.82
  6. Step 6: Final answer
    x = 78,589.06

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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.