Home / 113,575.60-170,234.20-69,104.32

Finding the Fourth Proportional to 113,575.60, 170,234.20 and 69,104.32

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Solution

The fourth proportional to 113,575.60, 170,234.20 and 69,104.32 is: 103,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,575.60 : 170,234.20 = 69,104.32 : x
  2. Step 2: Convert to fraction form
    113,575.60/170,234.20 = 69,104.32/x
  3. Step 3: Cross multiply
    113,575.60x = 170,234.20 × 69,104.32
  4. Step 4: Simplify right side
    113,575.60x = 11,763,918,631.74
  5. Step 5: Solve for x
    x = 11,763,918,631.74/113,575.60
  6. Step 6: Final answer
    x = 103,577.87

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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.