Home / 204,036.23-306,077.63-54,282.62

Finding the Fourth Proportional to 204,036.23, 306,077.63 and 54,282.62

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Solution

The fourth proportional to 204,036.23, 306,077.63 and 54,282.62 is: 81,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,036.23 : 306,077.63 = 54,282.62 : x
  2. Step 2: Convert to fraction form
    204,036.23/306,077.63 = 54,282.62/x
  3. Step 3: Cross multiply
    204,036.23x = 306,077.63 × 54,282.62
  4. Step 4: Simplify right side
    204,036.23x = 16,614,695,679.79
  5. Step 5: Solve for x
    x = 16,614,695,679.79/204,036.23
  6. Step 6: Final answer
    x = 81,430.12

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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.