Home / 195,985.68-293,992.20-77,656.68

Finding the Fourth Proportional to 195,985.68, 293,992.20 and 77,656.68

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Solution

The fourth proportional to 195,985.68, 293,992.20 and 77,656.68 is: 116,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,985.68 : 293,992.20 = 77,656.68 : x
  2. Step 2: Convert to fraction form
    195,985.68/293,992.20 = 77,656.68/x
  3. Step 3: Cross multiply
    195,985.68x = 293,992.20 × 77,656.68
  4. Step 4: Simplify right side
    195,985.68x = 22,830,458,197.90
  5. Step 5: Solve for x
    x = 22,830,458,197.90/195,985.68
  6. Step 6: Final answer
    x = 116,490.44

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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.