Home / 107,255.18-148,019.10-59,513.78

Finding the Fourth Proportional to 107,255.18, 148,019.10 and 59,513.78

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Solution

The fourth proportional to 107,255.18, 148,019.10 and 59,513.78 is: 82,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,255.18 : 148,019.10 = 59,513.78 : x
  2. Step 2: Convert to fraction form
    107,255.18/148,019.10 = 59,513.78/x
  3. Step 3: Cross multiply
    107,255.18x = 148,019.10 × 59,513.78
  4. Step 4: Simplify right side
    107,255.18x = 8,809,176,153.20
  5. Step 5: Solve for x
    x = 8,809,176,153.20/107,255.18
  6. Step 6: Final answer
    x = 82,132.87

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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.