Home / 209,913.12-314,876.16-60,166.80

Finding the Fourth Proportional to 209,913.12, 314,876.16 and 60,166.80

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Solution

The fourth proportional to 209,913.12, 314,876.16 and 60,166.80 is: 90,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,913.12 : 314,876.16 = 60,166.80 : x
  2. Step 2: Convert to fraction form
    209,913.12/314,876.16 = 60,166.80/x
  3. Step 3: Cross multiply
    209,913.12x = 314,876.16 × 60,166.80
  4. Step 4: Simplify right side
    209,913.12x = 18,945,090,943.49
  5. Step 5: Solve for x
    x = 18,945,090,943.49/209,913.12
  6. Step 6: Final answer
    x = 90,252.06

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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.