Home / 124,631.40-186,947.10-110,853.30

Finding the Fourth Proportional to 124,631.40, 186,947.10 and 110,853.30

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Solution

The fourth proportional to 124,631.40, 186,947.10 and 110,853.30 is: 166,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,631.40 : 186,947.10 = 110,853.30 : x
  2. Step 2: Convert to fraction form
    124,631.40/186,947.10 = 110,853.30/x
  3. Step 3: Cross multiply
    124,631.40x = 186,947.10 × 110,853.30
  4. Step 4: Simplify right side
    124,631.40x = 20,723,702,960.43
  5. Step 5: Solve for x
    x = 20,723,702,960.43/124,631.40
  6. Step 6: Final answer
    x = 166,279.95

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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.