Home / 157,079.07-235,540.76-55,861.95

Finding the Fourth Proportional to 157,079.07, 235,540.76 and 55,861.95

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Solution

The fourth proportional to 157,079.07, 235,540.76 and 55,861.95 is: 83,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,079.07 : 235,540.76 = 55,861.95 : x
  2. Step 2: Convert to fraction form
    157,079.07/235,540.76 = 55,861.95/x
  3. Step 3: Cross multiply
    157,079.07x = 235,540.76 × 55,861.95
  4. Step 4: Simplify right side
    157,079.07x = 13,157,764,701.07
  5. Step 5: Solve for x
    x = 13,157,764,701.07/157,079.07
  6. Step 6: Final answer
    x = 83,765.23

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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.