Home / 185,656.04-256,198.46-100,771.28

Finding the Fourth Proportional to 185,656.04, 256,198.46 and 100,771.28

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Solution

The fourth proportional to 185,656.04, 256,198.46 and 100,771.28 is: 139,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,656.04 : 256,198.46 = 100,771.28 : x
  2. Step 2: Convert to fraction form
    185,656.04/256,198.46 = 100,771.28/x
  3. Step 3: Cross multiply
    185,656.04x = 256,198.46 × 100,771.28
  4. Step 4: Simplify right side
    185,656.04x = 25,817,446,748.23
  5. Step 5: Solve for x
    x = 25,817,446,748.23/185,656.04
  6. Step 6: Final answer
    x = 139,060.63

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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.