Home / 195,367.12-292,853.16-76,992.40

Finding the Fourth Proportional to 195,367.12, 292,853.16 and 76,992.40

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Solution

The fourth proportional to 195,367.12, 292,853.16 and 76,992.40 is: 115,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,367.12 : 292,853.16 = 76,992.40 : x
  2. Step 2: Convert to fraction form
    195,367.12/292,853.16 = 76,992.40/x
  3. Step 3: Cross multiply
    195,367.12x = 292,853.16 × 76,992.40
  4. Step 4: Simplify right side
    195,367.12x = 22,547,467,635.98
  5. Step 5: Solve for x
    x = 22,547,467,635.98/195,367.12
  6. Step 6: Final answer
    x = 115,410.76

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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.