Home / 113,384.90-169,872.55-100,277.70

Finding the Fourth Proportional to 113,384.90, 169,872.55 and 100,277.70

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Solution

The fourth proportional to 113,384.90, 169,872.55 and 100,277.70 is: 150,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,384.90 : 169,872.55 = 100,277.70 : x
  2. Step 2: Convert to fraction form
    113,384.90/169,872.55 = 100,277.70/x
  3. Step 3: Cross multiply
    113,384.90x = 169,872.55 × 100,277.70
  4. Step 4: Simplify right side
    113,384.90x = 17,034,428,607.14
  5. Step 5: Solve for x
    x = 17,034,428,607.14/113,384.90
  6. Step 6: Final answer
    x = 150,235.42

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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.