Home / 137,316.20-205,974.30-58,404.20

Finding the Fourth Proportional to 137,316.20, 205,974.30 and 58,404.20

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Solution

The fourth proportional to 137,316.20, 205,974.30 and 58,404.20 is: 87,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,316.20 : 205,974.30 = 58,404.20 : x
  2. Step 2: Convert to fraction form
    137,316.20/205,974.30 = 58,404.20/x
  3. Step 3: Cross multiply
    137,316.20x = 205,974.30 × 58,404.20
  4. Step 4: Simplify right side
    137,316.20x = 12,029,764,212.06
  5. Step 5: Solve for x
    x = 12,029,764,212.06/137,316.20
  6. Step 6: Final answer
    x = 87,606.30

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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.