Home / 144,139.32-198,802.80-124,029.90

Finding the Fourth Proportional to 144,139.32, 198,802.80 and 124,029.90

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Solution

The fourth proportional to 144,139.32, 198,802.80 and 124,029.90 is: 171,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,139.32 : 198,802.80 = 124,029.90 : x
  2. Step 2: Convert to fraction form
    144,139.32/198,802.80 = 124,029.90/x
  3. Step 3: Cross multiply
    144,139.32x = 198,802.80 × 124,029.90
  4. Step 4: Simplify right side
    144,139.32x = 24,657,491,403.72
  5. Step 5: Solve for x
    x = 24,657,491,403.72/144,139.32
  6. Step 6: Final answer
    x = 171,067.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.