Home / 361,705.14-542,557.93-91,853.49

Finding the Fourth Proportional to 361,705.14, 542,557.93 and 91,853.49

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Solution

The fourth proportional to 361,705.14, 542,557.93 and 91,853.49 is: 137,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,705.14 : 542,557.93 = 91,853.49 : x
  2. Step 2: Convert to fraction form
    361,705.14/542,557.93 = 91,853.49/x
  3. Step 3: Cross multiply
    361,705.14x = 542,557.93 × 91,853.49
  4. Step 4: Simplify right side
    361,705.14x = 49,835,839,397.68
  5. Step 5: Solve for x
    x = 49,835,839,397.68/361,705.14
  6. Step 6: Final answer
    x = 137,780.29

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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.