Home / 135,014.72-202,520.88-45,064.24

Finding the Fourth Proportional to 135,014.72, 202,520.88 and 45,064.24

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Solution

The fourth proportional to 135,014.72, 202,520.88 and 45,064.24 is: 67,595.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,014.72 : 202,520.88 = 45,064.24 : x
  2. Step 2: Convert to fraction form
    135,014.72/202,520.88 = 45,064.24/x
  3. Step 3: Cross multiply
    135,014.72x = 202,520.88 × 45,064.24
  4. Step 4: Simplify right side
    135,014.72x = 9,126,449,541.33
  5. Step 5: Solve for x
    x = 9,126,449,541.33/135,014.72
  6. Step 6: Final answer
    x = 67,595.96

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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.