Home / 141,757.60-212,665.20-48,272.80

Finding the Fourth Proportional to 141,757.60, 212,665.20 and 48,272.80

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Solution

The fourth proportional to 141,757.60, 212,665.20 and 48,272.80 is: 72,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,757.60 : 212,665.20 = 48,272.80 : x
  2. Step 2: Convert to fraction form
    141,757.60/212,665.20 = 48,272.80/x
  3. Step 3: Cross multiply
    141,757.60x = 212,665.20 × 48,272.80
  4. Step 4: Simplify right side
    141,757.60x = 10,265,944,666.56
  5. Step 5: Solve for x
    x = 10,265,944,666.56/141,757.60
  6. Step 6: Final answer
    x = 72,419.01

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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.