Home / 165,547.11-247,874.49-105,249.48

Finding the Fourth Proportional to 165,547.11, 247,874.49 and 105,249.48

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Solution

The fourth proportional to 165,547.11, 247,874.49 and 105,249.48 is: 157,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,547.11 : 247,874.49 = 105,249.48 : x
  2. Step 2: Convert to fraction form
    165,547.11/247,874.49 = 105,249.48/x
  3. Step 3: Cross multiply
    165,547.11x = 247,874.49 × 105,249.48
  4. Step 4: Simplify right side
    165,547.11x = 26,088,661,177.77
  5. Step 5: Solve for x
    x = 26,088,661,177.77/165,547.11
  6. Step 6: Final answer
    x = 157,590.56

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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.