Home / 157,815.36-236,723.67-39,486.38

Finding the Fourth Proportional to 157,815.36, 236,723.67 and 39,486.38

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Solution

The fourth proportional to 157,815.36, 236,723.67 and 39,486.38 is: 59,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,815.36 : 236,723.67 = 39,486.38 : x
  2. Step 2: Convert to fraction form
    157,815.36/236,723.67 = 39,486.38/x
  3. Step 3: Cross multiply
    157,815.36x = 236,723.67 × 39,486.38
  4. Step 4: Simplify right side
    157,815.36x = 9,347,359,605.00
  5. Step 5: Solve for x
    x = 9,347,359,605.00/157,815.36
  6. Step 6: Final answer
    x = 59,229.72

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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.