Home / 150,512.40-207,716.43-83,444.40

Finding the Fourth Proportional to 150,512.40, 207,716.43 and 83,444.40

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Solution

The fourth proportional to 150,512.40, 207,716.43 and 83,444.40 is: 115,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,512.40 : 207,716.43 = 83,444.40 : x
  2. Step 2: Convert to fraction form
    150,512.40/207,716.43 = 83,444.40/x
  3. Step 3: Cross multiply
    150,512.40x = 207,716.43 × 83,444.40
  4. Step 4: Simplify right side
    150,512.40x = 17,332,772,871.49
  5. Step 5: Solve for x
    x = 17,332,772,871.49/150,512.40
  6. Step 6: Final answer
    x = 115,158.44

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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.