Home / 141,412.32-195,149.64-76,882.18

Finding the Fourth Proportional to 141,412.32, 195,149.64 and 76,882.18

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Solution

The fourth proportional to 141,412.32, 195,149.64 and 76,882.18 is: 106,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,412.32 : 195,149.64 = 76,882.18 : x
  2. Step 2: Convert to fraction form
    141,412.32/195,149.64 = 76,882.18/x
  3. Step 3: Cross multiply
    141,412.32x = 195,149.64 × 76,882.18
  4. Step 4: Simplify right side
    141,412.32x = 15,003,529,749.42
  5. Step 5: Solve for x
    x = 15,003,529,749.42/141,412.32
  6. Step 6: Final answer
    x = 106,097.76

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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.