Home / 185,689.62-256,247.69-100,806.66

Finding the Fourth Proportional to 185,689.62, 256,247.69 and 100,806.66

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Solution

The fourth proportional to 185,689.62, 256,247.69 and 100,806.66 is: 139,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,689.62 : 256,247.69 = 100,806.66 : x
  2. Step 2: Convert to fraction form
    185,689.62/256,247.69 = 100,806.66/x
  3. Step 3: Cross multiply
    185,689.62x = 256,247.69 × 100,806.66
  4. Step 4: Simplify right side
    185,689.62x = 25,831,473,257.58
  5. Step 5: Solve for x
    x = 25,831,473,257.58/185,689.62
  6. Step 6: Final answer
    x = 139,111.02

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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.