Home / 110,170.80-152,082.20-74,409.26

Finding the Fourth Proportional to 110,170.80, 152,082.20 and 74,409.26

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Solution

The fourth proportional to 110,170.80, 152,082.20 and 74,409.26 is: 102,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,170.80 : 152,082.20 = 74,409.26 : x
  2. Step 2: Convert to fraction form
    110,170.80/152,082.20 = 74,409.26/x
  3. Step 3: Cross multiply
    110,170.80x = 152,082.20 × 74,409.26
  4. Step 4: Simplify right side
    110,170.80x = 11,316,323,386.78
  5. Step 5: Solve for x
    x = 11,316,323,386.78/110,170.80
  6. Step 6: Final answer
    x = 102,716.18

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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.