Home / 141,489.70-195,254.90-80,247.58

Finding the Fourth Proportional to 141,489.70, 195,254.90 and 80,247.58

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Solution

The fourth proportional to 141,489.70, 195,254.90 and 80,247.58 is: 110,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,489.70 : 195,254.90 = 80,247.58 : x
  2. Step 2: Convert to fraction form
    141,489.70/195,254.90 = 80,247.58/x
  3. Step 3: Cross multiply
    141,489.70x = 195,254.90 × 80,247.58
  4. Step 4: Simplify right side
    141,489.70x = 15,668,733,208.14
  5. Step 5: Solve for x
    x = 15,668,733,208.14/141,489.70
  6. Step 6: Final answer
    x = 110,741.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.