Home / 158,631.92-237,899.28-53,422.64

Finding the Fourth Proportional to 158,631.92, 237,899.28 and 53,422.64

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Solution

The fourth proportional to 158,631.92, 237,899.28 and 53,422.64 is: 80,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,631.92 : 237,899.28 = 53,422.64 : x
  2. Step 2: Convert to fraction form
    158,631.92/237,899.28 = 53,422.64/x
  3. Step 3: Cross multiply
    158,631.92x = 237,899.28 × 53,422.64
  4. Step 4: Simplify right side
    158,631.92x = 12,709,207,591.70
  5. Step 5: Solve for x
    x = 12,709,207,591.70/158,631.92
  6. Step 6: Final answer
    x = 80,117.59

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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.