Home / 105,607.11-158,456.03-70,080.85

Finding the Fourth Proportional to 105,607.11, 158,456.03 and 70,080.85

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Solution

The fourth proportional to 105,607.11, 158,456.03 and 70,080.85 is: 105,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,607.11 : 158,456.03 = 70,080.85 : x
  2. Step 2: Convert to fraction form
    105,607.11/158,456.03 = 70,080.85/x
  3. Step 3: Cross multiply
    105,607.11x = 158,456.03 × 70,080.85
  4. Step 4: Simplify right side
    105,607.11x = 11,104,732,523.48
  5. Step 5: Solve for x
    x = 11,104,732,523.48/105,607.11
  6. Step 6: Final answer
    x = 105,151.37

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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.