Home / 107,335.18-148,071.09-75,521.62

Finding the Fourth Proportional to 107,335.18, 148,071.09 and 75,521.62

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Solution

The fourth proportional to 107,335.18, 148,071.09 and 75,521.62 is: 104,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,335.18 : 148,071.09 = 75,521.62 : x
  2. Step 2: Convert to fraction form
    107,335.18/148,071.09 = 75,521.62/x
  3. Step 3: Cross multiply
    107,335.18x = 148,071.09 × 75,521.62
  4. Step 4: Simplify right side
    107,335.18x = 11,182,568,591.97
  5. Step 5: Solve for x
    x = 11,182,568,591.97/107,335.18
  6. Step 6: Final answer
    x = 104,183.63

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1.5x scale

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.