Home / 150,725.65-207,993.75-89,474.45

Finding the Fourth Proportional to 150,725.65, 207,993.75 and 89,474.45

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Solution

The fourth proportional to 150,725.65, 207,993.75 and 89,474.45 is: 123,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,725.65 : 207,993.75 = 89,474.45 : x
  2. Step 2: Convert to fraction form
    150,725.65/207,993.75 = 89,474.45/x
  3. Step 3: Cross multiply
    150,725.65x = 207,993.75 × 89,474.45
  4. Step 4: Simplify right side
    150,725.65x = 18,610,125,937.32
  5. Step 5: Solve for x
    x = 18,610,125,937.32/150,725.65
  6. Step 6: Final answer
    x = 123,470.20

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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.