Home / 168,320.52-252,437.40-49,965.12

Finding the Fourth Proportional to 168,320.52, 252,437.40 and 49,965.12

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Solution

The fourth proportional to 168,320.52, 252,437.40 and 49,965.12 is: 74,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,320.52 : 252,437.40 = 49,965.12 : x
  2. Step 2: Convert to fraction form
    168,320.52/252,437.40 = 49,965.12/x
  3. Step 3: Cross multiply
    168,320.52x = 252,437.40 × 49,965.12
  4. Step 4: Simplify right side
    168,320.52x = 12,613,064,983.49
  5. Step 5: Solve for x
    x = 12,613,064,983.49/168,320.52
  6. Step 6: Final answer
    x = 74,934.80

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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.