Home / 256,171.02-353,591.08-148,789.32

Finding the Fourth Proportional to 256,171.02, 353,591.08 and 148,789.32

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Solution

The fourth proportional to 256,171.02, 353,591.08 and 148,789.32 is: 205,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,171.02 : 353,591.08 = 148,789.32 : x
  2. Step 2: Convert to fraction form
    256,171.02/353,591.08 = 148,789.32/x
  3. Step 3: Cross multiply
    256,171.02x = 353,591.08 × 148,789.32
  4. Step 4: Simplify right side
    256,171.02x = 52,610,576,351.27
  5. Step 5: Solve for x
    x = 52,610,576,351.27/256,171.02
  6. Step 6: Final answer
    x = 205,372.87

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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.