Home / 144,713.61-199,548.81-98,778.44

Finding the Fourth Proportional to 144,713.61, 199,548.81 and 98,778.44

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Solution

The fourth proportional to 144,713.61, 199,548.81 and 98,778.44 is: 136,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,713.61 : 199,548.81 = 98,778.44 : x
  2. Step 2: Convert to fraction form
    144,713.61/199,548.81 = 98,778.44/x
  3. Step 3: Cross multiply
    144,713.61x = 199,548.81 × 98,778.44
  4. Step 4: Simplify right side
    144,713.61x = 19,711,119,157.91
  5. Step 5: Solve for x
    x = 19,711,119,157.91/144,713.61
  6. Step 6: Final answer
    x = 136,207.78

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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.