Home / 135,310.32-202,856.13-56,483.55

Finding the Fourth Proportional to 135,310.32, 202,856.13 and 56,483.55

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Solution

The fourth proportional to 135,310.32, 202,856.13 and 56,483.55 is: 84,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,310.32 : 202,856.13 = 56,483.55 : x
  2. Step 2: Convert to fraction form
    135,310.32/202,856.13 = 56,483.55/x
  3. Step 3: Cross multiply
    135,310.32x = 202,856.13 × 56,483.55
  4. Step 4: Simplify right side
    135,310.32x = 11,458,034,361.66
  5. Step 5: Solve for x
    x = 11,458,034,361.66/135,310.32
  6. Step 6: Final answer
    x = 84,679.68

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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.