Home / 204,041.31-306,061.35-54,281.63

Finding the Fourth Proportional to 204,041.31, 306,061.35 and 54,281.63

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Solution

The fourth proportional to 204,041.31, 306,061.35 and 54,281.63 is: 81,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,041.31 : 306,061.35 = 54,281.63 : x
  2. Step 2: Convert to fraction form
    204,041.31/306,061.35 = 54,281.63/x
  3. Step 3: Cross multiply
    204,041.31x = 306,061.35 × 54,281.63
  4. Step 4: Simplify right side
    204,041.31x = 16,613,507,427.69
  5. Step 5: Solve for x
    x = 16,613,507,427.69/204,041.31
  6. Step 6: Final answer
    x = 81,422.27

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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.