Home / 185,683.64-278,273.78-135,528.44

Finding the Fourth Proportional to 185,683.64, 278,273.78 and 135,528.44

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Solution

The fourth proportional to 185,683.64, 278,273.78 and 135,528.44 is: 203,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,683.64 : 278,273.78 = 135,528.44 : x
  2. Step 2: Convert to fraction form
    185,683.64/278,273.78 = 135,528.44/x
  3. Step 3: Cross multiply
    185,683.64x = 278,273.78 × 135,528.44
  4. Step 4: Simplify right side
    185,683.64x = 37,714,011,296.30
  5. Step 5: Solve for x
    x = 37,714,011,296.30/185,683.64
  6. Step 6: Final answer
    x = 203,108.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.