Home / 144,397.95-199,189.16-83,961.92

Finding the Fourth Proportional to 144,397.95, 199,189.16 and 83,961.92

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Solution

The fourth proportional to 144,397.95, 199,189.16 and 83,961.92 is: 115,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,397.95 : 199,189.16 = 83,961.92 : x
  2. Step 2: Convert to fraction form
    144,397.95/199,189.16 = 83,961.92/x
  3. Step 3: Cross multiply
    144,397.95x = 199,189.16 × 83,961.92
  4. Step 4: Simplify right side
    144,397.95x = 16,724,304,316.79
  5. Step 5: Solve for x
    x = 16,724,304,316.79/144,397.95
  6. Step 6: Final answer
    x = 115,820.93

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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.