Home / 107,416.43-148,230.56-59,672.78

Finding the Fourth Proportional to 107,416.43, 148,230.56 and 59,672.78

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Solution

The fourth proportional to 107,416.43, 148,230.56 and 59,672.78 is: 82,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,416.43 : 148,230.56 = 59,672.78 : x
  2. Step 2: Convert to fraction form
    107,416.43/148,230.56 = 59,672.78/x
  3. Step 3: Cross multiply
    107,416.43x = 148,230.56 × 59,672.78
  4. Step 4: Simplify right side
    107,416.43x = 8,845,329,297.79
  5. Step 5: Solve for x
    x = 8,845,329,297.79/107,416.43
  6. Step 6: Final answer
    x = 82,346.15

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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.