Home / 117,412.95-176,144.27-38,520.57

Finding the Fourth Proportional to 117,412.95, 176,144.27 and 38,520.57

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Solution

The fourth proportional to 117,412.95, 176,144.27 and 38,520.57 is: 57,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,412.95 : 176,144.27 = 38,520.57 : x
  2. Step 2: Convert to fraction form
    117,412.95/176,144.27 = 38,520.57/x
  3. Step 3: Cross multiply
    117,412.95x = 176,144.27 × 38,520.57
  4. Step 4: Simplify right side
    117,412.95x = 6,785,177,490.03
  5. Step 5: Solve for x
    x = 6,785,177,490.03/117,412.95
  6. Step 6: Final answer
    x = 57,789.00

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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.