Home / 129,033.29-193,549.87-40,294.40

Finding the Fourth Proportional to 129,033.29, 193,549.87 and 40,294.40

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Solution

The fourth proportional to 129,033.29, 193,549.87 and 40,294.40 is: 60,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,033.29 : 193,549.87 = 40,294.40 : x
  2. Step 2: Convert to fraction form
    129,033.29/193,549.87 = 40,294.40/x
  3. Step 3: Cross multiply
    129,033.29x = 193,549.87 × 40,294.40
  4. Step 4: Simplify right side
    129,033.29x = 7,798,976,264.87
  5. Step 5: Solve for x
    x = 7,798,976,264.87/129,033.29
  6. Step 6: Final answer
    x = 60,441.58

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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.