Home / 113,390.30-170,085.45-101,143.10

Finding the Fourth Proportional to 113,390.30, 170,085.45 and 101,143.10

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Solution

The fourth proportional to 113,390.30, 170,085.45 and 101,143.10 is: 151,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,390.30 : 170,085.45 = 101,143.10 : x
  2. Step 2: Convert to fraction form
    113,390.30/170,085.45 = 101,143.10/x
  3. Step 3: Cross multiply
    113,390.30x = 170,085.45 × 101,143.10
  4. Step 4: Simplify right side
    113,390.30x = 17,202,969,677.90
  5. Step 5: Solve for x
    x = 17,202,969,677.90/113,390.30
  6. Step 6: Final answer
    x = 151,714.65

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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.