Home / 107,947.62-160,836.10-101,911.50

Finding the Fourth Proportional to 107,947.62, 160,836.10 and 101,911.50

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Solution

The fourth proportional to 107,947.62, 160,836.10 and 101,911.50 is: 151,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,947.62 : 160,836.10 = 101,911.50 : x
  2. Step 2: Convert to fraction form
    107,947.62/160,836.10 = 101,911.50/x
  3. Step 3: Cross multiply
    107,947.62x = 160,836.10 × 101,911.50
  4. Step 4: Simplify right side
    107,947.62x = 16,391,047,950.37
  5. Step 5: Solve for x
    x = 16,391,047,950.37/107,947.62
  6. Step 6: Final answer
    x = 151,842.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.