Home / 107,473.43-148,378.11-71,205.58

Finding the Fourth Proportional to 107,473.43, 148,378.11 and 71,205.58

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Solution

The fourth proportional to 107,473.43, 148,378.11 and 71,205.58 is: 98,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,473.43 : 148,378.11 = 71,205.58 : x
  2. Step 2: Convert to fraction form
    107,473.43/148,378.11 = 71,205.58/x
  3. Step 3: Cross multiply
    107,473.43x = 148,378.11 × 71,205.58
  4. Step 4: Simplify right side
    107,473.43x = 10,565,348,639.96
  5. Step 5: Solve for x
    x = 10,565,348,639.96/107,473.43
  6. Step 6: Final answer
    x = 98,306.62

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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.