Home / 110,135.04-152,058.24-76,680.96

Finding the Fourth Proportional to 110,135.04, 152,058.24 and 76,680.96

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Solution

The fourth proportional to 110,135.04, 152,058.24 and 76,680.96 is: 105,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,135.04 : 152,058.24 = 76,680.96 : x
  2. Step 2: Convert to fraction form
    110,135.04/152,058.24 = 76,680.96/x
  3. Step 3: Cross multiply
    110,135.04x = 152,058.24 × 76,680.96
  4. Step 4: Simplify right side
    110,135.04x = 11,659,971,819.11
  5. Step 5: Solve for x
    x = 11,659,971,819.11/110,135.04
  6. Step 6: Final answer
    x = 105,869.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.