Home / 195,207.96-292,882.18-76,813.72

Finding the Fourth Proportional to 195,207.96, 292,882.18 and 76,813.72

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Solution

The fourth proportional to 195,207.96, 292,882.18 and 76,813.72 is: 115,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,207.96 : 292,882.18 = 76,813.72 : x
  2. Step 2: Convert to fraction form
    195,207.96/292,882.18 = 76,813.72/x
  3. Step 3: Cross multiply
    195,207.96x = 292,882.18 × 76,813.72
  4. Step 4: Simplify right side
    195,207.96x = 22,497,369,767.51
  5. Step 5: Solve for x
    x = 22,497,369,767.51/195,207.96
  6. Step 6: Final answer
    x = 115,248.22

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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.