Home / 147,425.85-203,286.92-99,596.16

Finding the Fourth Proportional to 147,425.85, 203,286.92 and 99,596.16

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Solution

The fourth proportional to 147,425.85, 203,286.92 and 99,596.16 is: 137,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,425.85 : 203,286.92 = 99,596.16 : x
  2. Step 2: Convert to fraction form
    147,425.85/203,286.92 = 99,596.16/x
  3. Step 3: Cross multiply
    147,425.85x = 203,286.92 × 99,596.16
  4. Step 4: Simplify right side
    147,425.85x = 20,246,596,112.25
  5. Step 5: Solve for x
    x = 20,246,596,112.25/147,425.85
  6. Step 6: Final answer
    x = 137,334.10

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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.