Home / 143,710.61-198,326.76-80,048.44

Finding the Fourth Proportional to 143,710.61, 198,326.76 and 80,048.44

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Solution

The fourth proportional to 143,710.61, 198,326.76 and 80,048.44 is: 110,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,710.61 : 198,326.76 = 80,048.44 : x
  2. Step 2: Convert to fraction form
    143,710.61/198,326.76 = 80,048.44/x
  3. Step 3: Cross multiply
    143,710.61x = 198,326.76 × 80,048.44
  4. Step 4: Simplify right side
    143,710.61x = 15,875,746,756.62
  5. Step 5: Solve for x
    x = 15,875,746,756.62/143,710.61
  6. Step 6: Final answer
    x = 110,470.25

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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.