Home / 135,974.72-203,892.05-61,030.62

Finding the Fourth Proportional to 135,974.72, 203,892.05 and 61,030.62

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Solution

The fourth proportional to 135,974.72, 203,892.05 and 61,030.62 is: 91,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,974.72 : 203,892.05 = 61,030.62 : x
  2. Step 2: Convert to fraction form
    135,974.72/203,892.05 = 61,030.62/x
  3. Step 3: Cross multiply
    135,974.72x = 203,892.05 × 61,030.62
  4. Step 4: Simplify right side
    135,974.72x = 12,443,658,377.15
  5. Step 5: Solve for x
    x = 12,443,658,377.15/135,974.72
  6. Step 6: Final answer
    x = 91,514.50

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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.