Home / 165,265.08-247,898.34-65,421.24

Finding the Fourth Proportional to 165,265.08, 247,898.34 and 65,421.24

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Solution

The fourth proportional to 165,265.08, 247,898.34 and 65,421.24 is: 98,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,265.08 : 247,898.34 = 65,421.24 : x
  2. Step 2: Convert to fraction form
    165,265.08/247,898.34 = 65,421.24/x
  3. Step 3: Cross multiply
    165,265.08x = 247,898.34 × 65,421.24
  4. Step 4: Simplify right side
    165,265.08x = 16,217,816,796.74
  5. Step 5: Solve for x
    x = 16,217,816,796.74/165,265.08
  6. Step 6: Final answer
    x = 98,132.15

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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.