Home / 145,693.26-218,524.23-39,087.90

Finding the Fourth Proportional to 145,693.26, 218,524.23 and 39,087.90

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Solution

The fourth proportional to 145,693.26, 218,524.23 and 39,087.90 is: 58,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,693.26 : 218,524.23 = 39,087.90 : x
  2. Step 2: Convert to fraction form
    145,693.26/218,524.23 = 39,087.90/x
  3. Step 3: Cross multiply
    145,693.26x = 218,524.23 × 39,087.90
  4. Step 4: Simplify right side
    145,693.26x = 8,541,653,249.82
  5. Step 5: Solve for x
    x = 8,541,653,249.82/145,693.26
  6. Step 6: Final answer
    x = 58,627.65

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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.