Home / 261,259.32-391,839.77-101,334.95

Finding the Fourth Proportional to 261,259.32, 391,839.77 and 101,334.95

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Solution

The fourth proportional to 261,259.32, 391,839.77 and 101,334.95 is: 151,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,259.32 : 391,839.77 = 101,334.95 : x
  2. Step 2: Convert to fraction form
    261,259.32/391,839.77 = 101,334.95/x
  3. Step 3: Cross multiply
    261,259.32x = 391,839.77 × 101,334.95
  4. Step 4: Simplify right side
    261,259.32x = 39,707,061,035.09
  5. Step 5: Solve for x
    x = 39,707,061,035.09/261,259.32
  6. Step 6: Final answer
    x = 151,983.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.