Home / 140,178.24-209,995.02-124,470.72

Finding the Fourth Proportional to 140,178.24, 209,995.02 and 124,470.72

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Solution

The fourth proportional to 140,178.24, 209,995.02 and 124,470.72 is: 186,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,178.24 : 209,995.02 = 124,470.72 : x
  2. Step 2: Convert to fraction form
    140,178.24/209,995.02 = 124,470.72/x
  3. Step 3: Cross multiply
    140,178.24x = 209,995.02 × 124,470.72
  4. Step 4: Simplify right side
    140,178.24x = 26,138,231,335.81
  5. Step 5: Solve for x
    x = 26,138,231,335.81/140,178.24
  6. Step 6: Final answer
    x = 186,464.26

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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.