Home / 260,955.06-391,494.87-92,490.11

Finding the Fourth Proportional to 260,955.06, 391,494.87 and 92,490.11

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Solution

The fourth proportional to 260,955.06, 391,494.87 and 92,490.11 is: 138,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,955.06 : 391,494.87 = 92,490.11 : x
  2. Step 2: Convert to fraction form
    260,955.06/391,494.87 = 92,490.11/x
  3. Step 3: Cross multiply
    260,955.06x = 391,494.87 × 92,490.11
  4. Step 4: Simplify right side
    260,955.06x = 36,209,403,376.64
  5. Step 5: Solve for x
    x = 36,209,403,376.64/260,955.06
  6. Step 6: Final answer
    x = 138,757.24

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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.