Home / 113,519.55-170,278.75-54,175.31

Finding the Fourth Proportional to 113,519.55, 170,278.75 and 54,175.31

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Solution

The fourth proportional to 113,519.55, 170,278.75 and 54,175.31 is: 81,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,519.55 : 170,278.75 = 54,175.31 : x
  2. Step 2: Convert to fraction form
    113,519.55/170,278.75 = 54,175.31/x
  3. Step 3: Cross multiply
    113,519.55x = 170,278.75 × 54,175.31
  4. Step 4: Simplify right side
    113,519.55x = 9,224,903,080.83
  5. Step 5: Solve for x
    x = 9,224,903,080.83/113,519.55
  6. Step 6: Final answer
    x = 81,262.68

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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.