Home / 144,032.74-198,765.20-79,502.00

Finding the Fourth Proportional to 144,032.74, 198,765.20 and 79,502.00

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Solution

The fourth proportional to 144,032.74, 198,765.20 and 79,502.00 is: 109,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,032.74 : 198,765.20 = 79,502.00 : x
  2. Step 2: Convert to fraction form
    144,032.74/198,765.20 = 79,502.00/x
  3. Step 3: Cross multiply
    144,032.74x = 198,765.20 × 79,502.00
  4. Step 4: Simplify right side
    144,032.74x = 15,802,231,253.38
  5. Step 5: Solve for x
    x = 15,802,231,253.38/144,032.74
  6. Step 6: Final answer
    x = 109,712.77

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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.