Home / 144,527.90-199,453.86-80,866.15

Finding the Fourth Proportional to 144,527.90, 199,453.86 and 80,866.15

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Solution

The fourth proportional to 144,527.90, 199,453.86 and 80,866.15 is: 111,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,527.90 : 199,453.86 = 80,866.15 : x
  2. Step 2: Convert to fraction form
    144,527.90/199,453.86 = 80,866.15/x
  3. Step 3: Cross multiply
    144,527.90x = 199,453.86 × 80,866.15
  4. Step 4: Simplify right side
    144,527.90x = 16,129,065,262.20
  5. Step 5: Solve for x
    x = 16,129,065,262.20/144,527.90
  6. Step 6: Final answer
    x = 111,598.29

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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.