Home / 119,864.60-179,797.02-40,979.48

Finding the Fourth Proportional to 119,864.60, 179,797.02 and 40,979.48

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Solution

The fourth proportional to 119,864.60, 179,797.02 and 40,979.48 is: 61,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,864.60 : 179,797.02 = 40,979.48 : x
  2. Step 2: Convert to fraction form
    119,864.60/179,797.02 = 40,979.48/x
  3. Step 3: Cross multiply
    119,864.60x = 179,797.02 × 40,979.48
  4. Step 4: Simplify right side
    119,864.60x = 7,367,988,385.15
  5. Step 5: Solve for x
    x = 7,367,988,385.15/119,864.60
  6. Step 6: Final answer
    x = 61,469.26

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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.