Home / 168,215.40-252,346.32-61,585.38

Finding the Fourth Proportional to 168,215.40, 252,346.32 and 61,585.38

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Solution

The fourth proportional to 168,215.40, 252,346.32 and 61,585.38 is: 92,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,215.40 : 252,346.32 = 61,585.38 : x
  2. Step 2: Convert to fraction form
    168,215.40/252,346.32 = 61,585.38/x
  3. Step 3: Cross multiply
    168,215.40x = 252,346.32 × 61,585.38
  4. Step 4: Simplify right side
    168,215.40x = 15,540,844,008.80
  5. Step 5: Solve for x
    x = 15,540,844,008.80/168,215.40
  6. Step 6: Final answer
    x = 92,386.57

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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.