Home / 124,336.15-186,347.28-53,174.61

Finding the Fourth Proportional to 124,336.15, 186,347.28 and 53,174.61

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Solution

The fourth proportional to 124,336.15, 186,347.28 and 53,174.61 is: 79,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,336.15 : 186,347.28 = 53,174.61 : x
  2. Step 2: Convert to fraction form
    124,336.15/186,347.28 = 53,174.61/x
  3. Step 3: Cross multiply
    124,336.15x = 186,347.28 × 53,174.61
  4. Step 4: Simplify right side
    124,336.15x = 9,908,944,137.97
  5. Step 5: Solve for x
    x = 9,908,944,137.97/124,336.15
  6. Step 6: Final answer
    x = 79,694.80

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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.