Home / 185,206.82-255,585.46-100,323.90

Finding the Fourth Proportional to 185,206.82, 255,585.46 and 100,323.90

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Solution

The fourth proportional to 185,206.82, 255,585.46 and 100,323.90 is: 138,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,206.82 : 255,585.46 = 100,323.90 : x
  2. Step 2: Convert to fraction form
    185,206.82/255,585.46 = 100,323.90/x
  3. Step 3: Cross multiply
    185,206.82x = 255,585.46 × 100,323.90
  4. Step 4: Simplify right side
    185,206.82x = 25,641,330,130.49
  5. Step 5: Solve for x
    x = 25,641,330,130.49/185,206.82
  6. Step 6: Final answer
    x = 138,447.01

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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.