Home / 185,793.44-256,395.40-100,908.72

Finding the Fourth Proportional to 185,793.44, 256,395.40 and 100,908.72

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Solution

The fourth proportional to 185,793.44, 256,395.40 and 100,908.72 is: 139,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,793.44 : 256,395.40 = 100,908.72 : x
  2. Step 2: Convert to fraction form
    185,793.44/256,395.40 = 100,908.72/x
  3. Step 3: Cross multiply
    185,793.44x = 256,395.40 × 100,908.72
  4. Step 4: Simplify right side
    185,793.44x = 25,872,531,627.89
  5. Step 5: Solve for x
    x = 25,872,531,627.89/185,793.44
  6. Step 6: Final answer
    x = 139,254.28

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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.