Home / 209,914.12-314,877.66-60,167.80

Finding the Fourth Proportional to 209,914.12, 314,877.66 and 60,167.80

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Solution

The fourth proportional to 209,914.12, 314,877.66 and 60,167.80 is: 90,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,914.12 : 314,877.66 = 60,167.80 : x
  2. Step 2: Convert to fraction form
    209,914.12/314,877.66 = 60,167.80/x
  3. Step 3: Cross multiply
    209,914.12x = 314,877.66 × 60,167.80
  4. Step 4: Simplify right side
    209,914.12x = 18,945,496,071.35
  5. Step 5: Solve for x
    x = 18,945,496,071.35/209,914.12
  6. Step 6: Final answer
    x = 90,253.56

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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.