Home / 124,583.10-186,874.65-74,816.70

Finding the Fourth Proportional to 124,583.10, 186,874.65 and 74,816.70

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Solution

The fourth proportional to 124,583.10, 186,874.65 and 74,816.70 is: 112,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,583.10 : 186,874.65 = 74,816.70 : x
  2. Step 2: Convert to fraction form
    124,583.10/186,874.65 = 74,816.70/x
  3. Step 3: Cross multiply
    124,583.10x = 186,874.65 × 74,816.70
  4. Step 4: Simplify right side
    124,583.10x = 13,981,344,626.66
  5. Step 5: Solve for x
    x = 13,981,344,626.66/124,583.10
  6. Step 6: Final answer
    x = 112,225.05

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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.