Home / 144,026.16-198,766.08-80,376.48

Finding the Fourth Proportional to 144,026.16, 198,766.08 and 80,376.48

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Solution

The fourth proportional to 144,026.16, 198,766.08 and 80,376.48 is: 110,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,026.16 : 198,766.08 = 80,376.48 : x
  2. Step 2: Convert to fraction form
    144,026.16/198,766.08 = 80,376.48/x
  3. Step 3: Cross multiply
    144,026.16x = 198,766.08 × 80,376.48
  4. Step 4: Simplify right side
    144,026.16x = 15,976,117,853.80
  5. Step 5: Solve for x
    x = 15,976,117,853.80/144,026.16
  6. Step 6: Final answer
    x = 110,925.11

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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.