Home / 150,199.18-207,275.40-83,131.18

Finding the Fourth Proportional to 150,199.18, 207,275.40 and 83,131.18

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Solution

The fourth proportional to 150,199.18, 207,275.40 and 83,131.18 is: 114,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,199.18 : 207,275.40 = 83,131.18 : x
  2. Step 2: Convert to fraction form
    150,199.18/207,275.40 = 83,131.18/x
  3. Step 3: Cross multiply
    150,199.18x = 207,275.40 × 83,131.18
  4. Step 4: Simplify right side
    150,199.18x = 17,231,048,586.97
  5. Step 5: Solve for x
    x = 17,231,048,586.97/150,199.18
  6. Step 6: Final answer
    x = 114,721.32

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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.