Home / 185,448.48-255,919.04-100,565.52

Finding the Fourth Proportional to 185,448.48, 255,919.04 and 100,565.52

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Solution

The fourth proportional to 185,448.48, 255,919.04 and 100,565.52 is: 138,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,448.48 : 255,919.04 = 100,565.52 : x
  2. Step 2: Convert to fraction form
    185,448.48/255,919.04 = 100,565.52/x
  3. Step 3: Cross multiply
    185,448.48x = 255,919.04 × 100,565.52
  4. Step 4: Simplify right side
    185,448.48x = 25,736,631,335.50
  5. Step 5: Solve for x
    x = 25,736,631,335.50/185,448.48
  6. Step 6: Final answer
    x = 138,780.49

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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.