Home / 95,417.20-143,125.80-91,480.60

Finding the Fourth Proportional to 95,417.20, 143,125.80 and 91,480.60

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Solution

The fourth proportional to 95,417.20, 143,125.80 and 91,480.60 is: 137,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,417.20 : 143,125.80 = 91,480.60 : x
  2. Step 2: Convert to fraction form
    95,417.20/143,125.80 = 91,480.60/x
  3. Step 3: Cross multiply
    95,417.20x = 143,125.80 × 91,480.60
  4. Step 4: Simplify right side
    95,417.20x = 13,093,234,059.48
  5. Step 5: Solve for x
    x = 13,093,234,059.48/95,417.20
  6. Step 6: Final answer
    x = 137,220.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.