Home / 150,680.35-207,887.25-86,103.19

Finding the Fourth Proportional to 150,680.35, 207,887.25 and 86,103.19

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Solution

The fourth proportional to 150,680.35, 207,887.25 and 86,103.19 is: 118,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,680.35 : 207,887.25 = 86,103.19 : x
  2. Step 2: Convert to fraction form
    150,680.35/207,887.25 = 86,103.19/x
  3. Step 3: Cross multiply
    150,680.35x = 207,887.25 × 86,103.19
  4. Step 4: Simplify right side
    150,680.35x = 17,899,754,865.61
  5. Step 5: Solve for x
    x = 17,899,754,865.61/150,680.35
  6. Step 6: Final answer
    x = 118,792.90

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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.