Home / 194,514.72-291,788.40-54,275.04

Finding the Fourth Proportional to 194,514.72, 291,788.40 and 54,275.04

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Solution

The fourth proportional to 194,514.72, 291,788.40 and 54,275.04 is: 81,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,514.72 : 291,788.40 = 54,275.04 : x
  2. Step 2: Convert to fraction form
    194,514.72/291,788.40 = 54,275.04/x
  3. Step 3: Cross multiply
    194,514.72x = 291,788.40 × 54,275.04
  4. Step 4: Simplify right side
    194,514.72x = 15,836,827,081.54
  5. Step 5: Solve for x
    x = 15,836,827,081.54/194,514.72
  6. Step 6: Final answer
    x = 81,417.11

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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.