Home / 185,015.02-255,321.48-100,132.06

Finding the Fourth Proportional to 185,015.02, 255,321.48 and 100,132.06

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Solution

The fourth proportional to 185,015.02, 255,321.48 and 100,132.06 is: 138,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,015.02 : 255,321.48 = 100,132.06 : x
  2. Step 2: Convert to fraction form
    185,015.02/255,321.48 = 100,132.06/x
  3. Step 3: Cross multiply
    185,015.02x = 255,321.48 × 100,132.06
  4. Step 4: Simplify right side
    185,015.02x = 25,565,865,886.05
  5. Step 5: Solve for x
    x = 25,565,865,886.05/185,015.02
  6. Step 6: Final answer
    x = 138,182.65

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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.