Home / 124,325.90-186,490.16-99,523.62

Finding the Fourth Proportional to 124,325.90, 186,490.16 and 99,523.62

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Solution

The fourth proportional to 124,325.90, 186,490.16 and 99,523.62 is: 149,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,325.90 : 186,490.16 = 99,523.62 : x
  2. Step 2: Convert to fraction form
    124,325.90/186,490.16 = 99,523.62/x
  3. Step 3: Cross multiply
    124,325.90x = 186,490.16 × 99,523.62
  4. Step 4: Simplify right side
    124,325.90x = 18,560,175,817.58
  5. Step 5: Solve for x
    x = 18,560,175,817.58/124,325.90
  6. Step 6: Final answer
    x = 149,286.48

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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.