Home / 206,877.60-310,316.40-192,115.36

Finding the Fourth Proportional to 206,877.60, 310,316.40 and 192,115.36

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Solution

The fourth proportional to 206,877.60, 310,316.40 and 192,115.36 is: 288,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,877.60 : 310,316.40 = 192,115.36 : x
  2. Step 2: Convert to fraction form
    206,877.60/310,316.40 = 192,115.36/x
  3. Step 3: Cross multiply
    206,877.60x = 310,316.40 × 192,115.36
  4. Step 4: Simplify right side
    206,877.60x = 59,616,546,899.90
  5. Step 5: Solve for x
    x = 59,616,546,899.90/206,877.60
  6. Step 6: Final answer
    x = 288,173.04

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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.