Home / 157,603.20-236,437.20-52,497.60

Finding the Fourth Proportional to 157,603.20, 236,437.20 and 52,497.60

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Solution

The fourth proportional to 157,603.20, 236,437.20 and 52,497.60 is: 78,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,603.20 : 236,437.20 = 52,497.60 : x
  2. Step 2: Convert to fraction form
    157,603.20/236,437.20 = 52,497.60/x
  3. Step 3: Cross multiply
    157,603.20x = 236,437.20 × 52,497.60
  4. Step 4: Simplify right side
    157,603.20x = 12,412,385,550.72
  5. Step 5: Solve for x
    x = 12,412,385,550.72/157,603.20
  6. Step 6: Final answer
    x = 78,757.19

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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.