Home / 205,176.20-307,764.30-181,675.40

Finding the Fourth Proportional to 205,176.20, 307,764.30 and 181,675.40

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Solution

The fourth proportional to 205,176.20, 307,764.30 and 181,675.40 is: 272,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,176.20 : 307,764.30 = 181,675.40 : x
  2. Step 2: Convert to fraction form
    205,176.20/307,764.30 = 181,675.40/x
  3. Step 3: Cross multiply
    205,176.20x = 307,764.30 × 181,675.40
  4. Step 4: Simplify right side
    205,176.20x = 55,913,202,308.22
  5. Step 5: Solve for x
    x = 55,913,202,308.22/205,176.20
  6. Step 6: Final answer
    x = 272,513.10

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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.