Home / 175,722.12-263,252.52-86,871.60

Finding the Fourth Proportional to 175,722.12, 263,252.52 and 86,871.60

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Solution

The fourth proportional to 175,722.12, 263,252.52 and 86,871.60 is: 130,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,722.12 : 263,252.52 = 86,871.60 : x
  2. Step 2: Convert to fraction form
    175,722.12/263,252.52 = 86,871.60/x
  3. Step 3: Cross multiply
    175,722.12x = 263,252.52 × 86,871.60
  4. Step 4: Simplify right side
    175,722.12x = 22,869,167,616.43
  5. Step 5: Solve for x
    x = 22,869,167,616.43/175,722.12
  6. Step 6: Final answer
    x = 130,143.93

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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.