Home / 147,559.40-203,650.26-90,186.92

Finding the Fourth Proportional to 147,559.40, 203,650.26 and 90,186.92

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Solution

The fourth proportional to 147,559.40, 203,650.26 and 90,186.92 is: 124,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559.40 : 203,650.26 = 90,186.92 : x
  2. Step 2: Convert to fraction form
    147,559.40/203,650.26 = 90,186.92/x
  3. Step 3: Cross multiply
    147,559.40x = 203,650.26 × 90,186.92
  4. Step 4: Simplify right side
    147,559.40x = 18,366,589,706.60
  5. Step 5: Solve for x
    x = 18,366,589,706.60/147,559.40
  6. Step 6: Final answer
    x = 124,469.13

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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.