Home / 208,521.33-312,781.92-180,357.66

Finding the Fourth Proportional to 208,521.33, 312,781.92 and 180,357.66

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Solution

The fourth proportional to 208,521.33, 312,781.92 and 180,357.66 is: 270,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,521.33 : 312,781.92 = 180,357.66 : x
  2. Step 2: Convert to fraction form
    208,521.33/312,781.92 = 180,357.66/x
  3. Step 3: Cross multiply
    208,521.33x = 312,781.92 × 180,357.66
  4. Step 4: Simplify right side
    208,521.33x = 56,412,615,181.51
  5. Step 5: Solve for x
    x = 56,412,615,181.51/208,521.33
  6. Step 6: Final answer
    x = 270,536.43

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1.5x scale

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.