Home / 185,865.04-256,494.90-100,982.08

Finding the Fourth Proportional to 185,865.04, 256,494.90 and 100,982.08

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Solution

The fourth proportional to 185,865.04, 256,494.90 and 100,982.08 is: 139,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,865.04 : 256,494.90 = 100,982.08 : x
  2. Step 2: Convert to fraction form
    185,865.04/256,494.90 = 100,982.08/x
  3. Step 3: Cross multiply
    185,865.04x = 256,494.90 × 100,982.08
  4. Step 4: Simplify right side
    185,865.04x = 25,901,388,511.39
  5. Step 5: Solve for x
    x = 25,901,388,511.39/185,865.04
  6. Step 6: Final answer
    x = 139,355.89

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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.