Home / 272,778.17-376,445.54-151,919.44

Finding the Fourth Proportional to 272,778.17, 376,445.54 and 151,919.44

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Solution

The fourth proportional to 272,778.17, 376,445.54 and 151,919.44 is: 209,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,778.17 : 376,445.54 = 151,919.44 : x
  2. Step 2: Convert to fraction form
    272,778.17/376,445.54 = 151,919.44/x
  3. Step 3: Cross multiply
    272,778.17x = 376,445.54 × 151,919.44
  4. Step 4: Simplify right side
    272,778.17x = 57,189,395,065.98
  5. Step 5: Solve for x
    x = 57,189,395,065.98/272,778.17
  6. Step 6: Final answer
    x = 209,655.33

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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.