Home / 204,444.12-306,569.16-71,308.20

Finding the Fourth Proportional to 204,444.12, 306,569.16 and 71,308.20

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Solution

The fourth proportional to 204,444.12, 306,569.16 and 71,308.20 is: 106,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,444.12 : 306,569.16 = 71,308.20 : x
  2. Step 2: Convert to fraction form
    204,444.12/306,569.16 = 71,308.20/x
  3. Step 3: Cross multiply
    204,444.12x = 306,569.16 × 71,308.20
  4. Step 4: Simplify right side
    204,444.12x = 21,860,894,975.11
  5. Step 5: Solve for x
    x = 21,860,894,975.11/204,444.12
  6. Step 6: Final answer
    x = 106,928.46

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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.