Home / 209,531.78-314,346.46-59,774.12

Finding the Fourth Proportional to 209,531.78, 314,346.46 and 59,774.12

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Solution

The fourth proportional to 209,531.78, 314,346.46 and 59,774.12 is: 89,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,531.78 : 314,346.46 = 59,774.12 : x
  2. Step 2: Convert to fraction form
    209,531.78/314,346.46 = 59,774.12/x
  3. Step 3: Cross multiply
    209,531.78x = 314,346.46 × 59,774.12
  4. Step 4: Simplify right side
    209,531.78x = 18,789,783,021.62
  5. Step 5: Solve for x
    x = 18,789,783,021.62/209,531.78
  6. Step 6: Final answer
    x = 89,675.10

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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.