Home / 185,148.57-255,504.51-100,265.61

Finding the Fourth Proportional to 185,148.57, 255,504.51 and 100,265.61

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Solution

The fourth proportional to 185,148.57, 255,504.51 and 100,265.61 is: 138,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,148.57 : 255,504.51 = 100,265.61 : x
  2. Step 2: Convert to fraction form
    185,148.57/255,504.51 = 100,265.61/x
  3. Step 3: Cross multiply
    185,148.57x = 255,504.51 × 100,265.61
  4. Step 4: Simplify right side
    185,148.57x = 25,618,315,552.90
  5. Step 5: Solve for x
    x = 25,618,315,552.90/185,148.57
  6. Step 6: Final answer
    x = 138,366.26

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1.5x scale

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.