Home / 185,448.23-255,918.69-100,565.27

Finding the Fourth Proportional to 185,448.23, 255,918.69 and 100,565.27

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Solution

The fourth proportional to 185,448.23, 255,918.69 and 100,565.27 is: 138,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,448.23 : 255,918.69 = 100,565.27 : x
  2. Step 2: Convert to fraction form
    185,448.23/255,918.69 = 100,565.27/x
  3. Step 3: Cross multiply
    185,448.23x = 255,918.69 × 100,565.27
  4. Step 4: Simplify right side
    185,448.23x = 25,736,530,878.30
  5. Step 5: Solve for x
    x = 25,736,530,878.30/185,448.23
  6. Step 6: Final answer
    x = 138,780.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.