Home / 113,215.60-169,823.40-54,166.60

Finding the Fourth Proportional to 113,215.60, 169,823.40 and 54,166.60

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Solution

The fourth proportional to 113,215.60, 169,823.40 and 54,166.60 is: 81,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,215.60 : 169,823.40 = 54,166.60 : x
  2. Step 2: Convert to fraction form
    113,215.60/169,823.40 = 54,166.60/x
  3. Step 3: Cross multiply
    113,215.60x = 169,823.40 × 54,166.60
  4. Step 4: Simplify right side
    113,215.60x = 9,198,756,178.44
  5. Step 5: Solve for x
    x = 9,198,756,178.44/113,215.60
  6. Step 6: Final answer
    x = 81,249.90

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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.