Home / 157,631.76-236,396.88-52,422.48

Finding the Fourth Proportional to 157,631.76, 236,396.88 and 52,422.48

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Solution

The fourth proportional to 157,631.76, 236,396.88 and 52,422.48 is: 78,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,631.76 : 236,396.88 = 52,422.48 : x
  2. Step 2: Convert to fraction form
    157,631.76/236,396.88 = 52,422.48/x
  3. Step 3: Cross multiply
    157,631.76x = 236,396.88 × 52,422.48
  4. Step 4: Simplify right side
    157,631.76x = 12,392,510,713.86
  5. Step 5: Solve for x
    x = 12,392,510,713.86/157,631.76
  6. Step 6: Final answer
    x = 78,616.84

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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.