Home / 141,875.20-212,553.60-115,436.80

Finding the Fourth Proportional to 141,875.20, 212,553.60 and 115,436.80

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Solution

The fourth proportional to 141,875.20, 212,553.60 and 115,436.80 is: 172,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,875.20 : 212,553.60 = 115,436.80 : x
  2. Step 2: Convert to fraction form
    141,875.20/212,553.60 = 115,436.80/x
  3. Step 3: Cross multiply
    141,875.20x = 212,553.60 × 115,436.80
  4. Step 4: Simplify right side
    141,875.20x = 24,536,507,412.48
  5. Step 5: Solve for x
    x = 24,536,507,412.48/141,875.20
  6. Step 6: Final answer
    x = 172,944.30

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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.