Home / 82,351.90-123,526.55-26,191.19

Finding the Fourth Proportional to 82,351.90, 123,526.55 and 26,191.19

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Solution

The fourth proportional to 82,351.90, 123,526.55 and 26,191.19 is: 39,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,351.90 : 123,526.55 = 26,191.19 : x
  2. Step 2: Convert to fraction form
    82,351.90/123,526.55 = 26,191.19/x
  3. Step 3: Cross multiply
    82,351.90x = 123,526.55 × 26,191.19
  4. Step 4: Simplify right side
    82,351.90x = 3,235,307,518.95
  5. Step 5: Solve for x
    x = 3,235,307,518.95/82,351.90
  6. Step 6: Final answer
    x = 39,286.37

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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.