Home / 150,839.73-208,153.13-83,776.05

Finding the Fourth Proportional to 150,839.73, 208,153.13 and 83,776.05

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Solution

The fourth proportional to 150,839.73, 208,153.13 and 83,776.05 is: 115,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,839.73 : 208,153.13 = 83,776.05 : x
  2. Step 2: Convert to fraction form
    150,839.73/208,153.13 = 83,776.05/x
  3. Step 3: Cross multiply
    150,839.73x = 208,153.13 × 83,776.05
  4. Step 4: Simplify right side
    150,839.73x = 17,438,246,607.66
  5. Step 5: Solve for x
    x = 17,438,246,607.66/150,839.73
  6. Step 6: Final answer
    x = 115,607.78

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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.