Home / 104,505.66-144,425.52-100,773.18

Finding the Fourth Proportional to 104,505.66, 144,425.52 and 100,773.18

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Solution

The fourth proportional to 104,505.66, 144,425.52 and 100,773.18 is: 139,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,505.66 : 144,425.52 = 100,773.18 : x
  2. Step 2: Convert to fraction form
    104,505.66/144,425.52 = 100,773.18/x
  3. Step 3: Cross multiply
    104,505.66x = 144,425.52 × 100,773.18
  4. Step 4: Simplify right side
    104,505.66x = 14,554,218,923.55
  5. Step 5: Solve for x
    x = 14,554,218,923.55/104,505.66
  6. Step 6: Final answer
    x = 139,267.28

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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.