Home / 272,944.64-376,691.36-152,105.60

Finding the Fourth Proportional to 272,944.64, 376,691.36 and 152,105.60

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Solution

The fourth proportional to 272,944.64, 376,691.36 and 152,105.60 is: 209,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,944.64 : 376,691.36 = 152,105.60 : x
  2. Step 2: Convert to fraction form
    272,944.64/376,691.36 = 152,105.60/x
  3. Step 3: Cross multiply
    272,944.64x = 376,691.36 × 152,105.60
  4. Step 4: Simplify right side
    272,944.64x = 57,296,865,327.62
  5. Step 5: Solve for x
    x = 57,296,865,327.62/272,944.64
  6. Step 6: Final answer
    x = 209,921.20

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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.