Home / 195,143.83-292,981.29-109,814.97

Finding the Fourth Proportional to 195,143.83, 292,981.29 and 109,814.97

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Solution

The fourth proportional to 195,143.83, 292,981.29 and 109,814.97 is: 164,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,143.83 : 292,981.29 = 109,814.97 : x
  2. Step 2: Convert to fraction form
    195,143.83/292,981.29 = 109,814.97/x
  3. Step 3: Cross multiply
    195,143.83x = 292,981.29 × 109,814.97
  4. Step 4: Simplify right side
    195,143.83x = 32,173,730,597.50
  5. Step 5: Solve for x
    x = 32,173,730,597.50/195,143.83
  6. Step 6: Final answer
    x = 164,871.89

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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.