Home / 175,026.80-262,367.40-86,207.60

Finding the Fourth Proportional to 175,026.80, 262,367.40 and 86,207.60

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Solution

The fourth proportional to 175,026.80, 262,367.40 and 86,207.60 is: 129,226.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,026.80 : 262,367.40 = 86,207.60 : x
  2. Step 2: Convert to fraction form
    175,026.80/262,367.40 = 86,207.60/x
  3. Step 3: Cross multiply
    175,026.80x = 262,367.40 × 86,207.60
  4. Step 4: Simplify right side
    175,026.80x = 22,618,063,872.24
  5. Step 5: Solve for x
    x = 22,618,063,872.24/175,026.80
  6. Step 6: Final answer
    x = 129,226.29

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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.