Home / 127,806.18-176,373.23-74,123.03

Finding the Fourth Proportional to 127,806.18, 176,373.23 and 74,123.03

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Solution

The fourth proportional to 127,806.18, 176,373.23 and 74,123.03 is: 102,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,806.18 : 176,373.23 = 74,123.03 : x
  2. Step 2: Convert to fraction form
    127,806.18/176,373.23 = 74,123.03/x
  3. Step 3: Cross multiply
    127,806.18x = 176,373.23 × 74,123.03
  4. Step 4: Simplify right side
    127,806.18x = 13,073,318,218.49
  5. Step 5: Solve for x
    x = 13,073,318,218.49/127,806.18
  6. Step 6: Final answer
    x = 102,290.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.