Home / 141,844.60-212,766.90-42,020.20

Finding the Fourth Proportional to 141,844.60, 212,766.90 and 42,020.20

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Solution

The fourth proportional to 141,844.60, 212,766.90 and 42,020.20 is: 63,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,844.60 : 212,766.90 = 42,020.20 : x
  2. Step 2: Convert to fraction form
    141,844.60/212,766.90 = 42,020.20/x
  3. Step 3: Cross multiply
    141,844.60x = 212,766.90 × 42,020.20
  4. Step 4: Simplify right side
    141,844.60x = 8,940,507,691.38
  5. Step 5: Solve for x
    x = 8,940,507,691.38/141,844.60
  6. Step 6: Final answer
    x = 63,030.30

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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.