Home / 107,408.94-148,265.66-71,585.88

Finding the Fourth Proportional to 107,408.94, 148,265.66 and 71,585.88

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Solution

The fourth proportional to 107,408.94, 148,265.66 and 71,585.88 is: 98,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,408.94 : 148,265.66 = 71,585.88 : x
  2. Step 2: Convert to fraction form
    107,408.94/148,265.66 = 71,585.88/x
  3. Step 3: Cross multiply
    107,408.94x = 148,265.66 × 71,585.88
  4. Step 4: Simplify right side
    107,408.94x = 10,613,727,744.88
  5. Step 5: Solve for x
    x = 10,613,727,744.88/107,408.94
  6. Step 6: Final answer
    x = 98,816.06

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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.