Home / 149,438.87-206,109.00-95,728.89

Finding the Fourth Proportional to 149,438.87, 206,109.00 and 95,728.89

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Solution

The fourth proportional to 149,438.87, 206,109.00 and 95,728.89 is: 132,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,438.87 : 206,109.00 = 95,728.89 : x
  2. Step 2: Convert to fraction form
    149,438.87/206,109.00 = 95,728.89/x
  3. Step 3: Cross multiply
    149,438.87x = 206,109.00 × 95,728.89
  4. Step 4: Simplify right side
    149,438.87x = 19,730,585,133.32
  5. Step 5: Solve for x
    x = 19,730,585,133.32/149,438.87
  6. Step 6: Final answer
    x = 132,031.14

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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.