Home / 175,344.48-262,606.66-86,311.72

Finding the Fourth Proportional to 175,344.48, 262,606.66 and 86,311.72

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Solution

The fourth proportional to 175,344.48, 262,606.66 and 86,311.72 is: 129,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,344.48 : 262,606.66 = 86,311.72 : x
  2. Step 2: Convert to fraction form
    175,344.48/262,606.66 = 86,311.72/x
  3. Step 3: Cross multiply
    175,344.48x = 262,606.66 × 86,311.72
  4. Step 4: Simplify right side
    175,344.48x = 22,666,032,508.06
  5. Step 5: Solve for x
    x = 22,666,032,508.06/175,344.48
  6. Step 6: Final answer
    x = 129,265.73

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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.