Home / 127,943.25-192,081.18-98,381.84

Finding the Fourth Proportional to 127,943.25, 192,081.18 and 98,381.84

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Solution

The fourth proportional to 127,943.25, 192,081.18 and 98,381.84 is: 147,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.25 : 192,081.18 = 98,381.84 : x
  2. Step 2: Convert to fraction form
    127,943.25/192,081.18 = 98,381.84/x
  3. Step 3: Cross multiply
    127,943.25x = 192,081.18 × 98,381.84
  4. Step 4: Simplify right side
    127,943.25x = 18,897,300,029.04
  5. Step 5: Solve for x
    x = 18,897,300,029.04/127,943.25
  6. Step 6: Final answer
    x = 147,700.64

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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.