Home / 194,690.92-292,054.20-54,449.16

Finding the Fourth Proportional to 194,690.92, 292,054.20 and 54,449.16

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Solution

The fourth proportional to 194,690.92, 292,054.20 and 54,449.16 is: 81,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,690.92 : 292,054.20 = 54,449.16 : x
  2. Step 2: Convert to fraction form
    194,690.92/292,054.20 = 54,449.16/x
  3. Step 3: Cross multiply
    194,690.92x = 292,054.20 × 54,449.16
  4. Step 4: Simplify right side
    194,690.92x = 15,902,105,864.47
  5. Step 5: Solve for x
    x = 15,902,105,864.47/194,690.92
  6. Step 6: Final answer
    x = 81,678.72

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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.