Home / 113,534.10-170,301.15-54,339.30

Finding the Fourth Proportional to 113,534.10, 170,301.15 and 54,339.30

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Solution

The fourth proportional to 113,534.10, 170,301.15 and 54,339.30 is: 81,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,534.10 : 170,301.15 = 54,339.30 : x
  2. Step 2: Convert to fraction form
    113,534.10/170,301.15 = 54,339.30/x
  3. Step 3: Cross multiply
    113,534.10x = 170,301.15 × 54,339.30
  4. Step 4: Simplify right side
    113,534.10x = 9,254,045,280.20
  5. Step 5: Solve for x
    x = 9,254,045,280.20/113,534.10
  6. Step 6: Final answer
    x = 81,508.95

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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.