Home / 254,818.09-382,229.44-77,325.11

Finding the Fourth Proportional to 254,818.09, 382,229.44 and 77,325.11

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Solution

The fourth proportional to 254,818.09, 382,229.44 and 77,325.11 is: 115,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,818.09 : 382,229.44 = 77,325.11 : x
  2. Step 2: Convert to fraction form
    254,818.09/382,229.44 = 77,325.11/x
  3. Step 3: Cross multiply
    254,818.09x = 382,229.44 × 77,325.11
  4. Step 4: Simplify right side
    254,818.09x = 29,555,932,290.81
  5. Step 5: Solve for x
    x = 29,555,932,290.81/254,818.09
  6. Step 6: Final answer
    x = 115,988.36

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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.