Home / 175,257.40-262,886.10-86,524.60

Finding the Fourth Proportional to 175,257.40, 262,886.10 and 86,524.60

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Solution

The fourth proportional to 175,257.40, 262,886.10 and 86,524.60 is: 129,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,257.40 : 262,886.10 = 86,524.60 : x
  2. Step 2: Convert to fraction form
    175,257.40/262,886.10 = 86,524.60/x
  3. Step 3: Cross multiply
    175,257.40x = 262,886.10 × 86,524.60
  4. Step 4: Simplify right side
    175,257.40x = 22,746,114,648.06
  5. Step 5: Solve for x
    x = 22,746,114,648.06/175,257.40
  6. Step 6: Final answer
    x = 129,786.90

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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.