Home / 185,802.12-256,407.66-100,920.60

Finding the Fourth Proportional to 185,802.12, 256,407.66 and 100,920.60

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Solution

The fourth proportional to 185,802.12, 256,407.66 and 100,920.60 is: 139,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,802.12 : 256,407.66 = 100,920.60 : x
  2. Step 2: Convert to fraction form
    185,802.12/256,407.66 = 100,920.60/x
  3. Step 3: Cross multiply
    185,802.12x = 256,407.66 × 100,920.60
  4. Step 4: Simplify right side
    185,802.12x = 25,876,814,891.80
  5. Step 5: Solve for x
    x = 25,876,814,891.80/185,802.12
  6. Step 6: Final answer
    x = 139,270.83

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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.