Home / 124,329.20-186,518.10-53,251.70

Finding the Fourth Proportional to 124,329.20, 186,518.10 and 53,251.70

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Solution

The fourth proportional to 124,329.20, 186,518.10 and 53,251.70 is: 79,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,329.20 : 186,518.10 = 53,251.70 : x
  2. Step 2: Convert to fraction form
    124,329.20/186,518.10 = 53,251.70/x
  3. Step 3: Cross multiply
    124,329.20x = 186,518.10 × 53,251.70
  4. Step 4: Simplify right side
    124,329.20x = 9,932,405,905.77
  5. Step 5: Solve for x
    x = 9,932,405,905.77/124,329.20
  6. Step 6: Final answer
    x = 79,887.96

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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.