Home / 278,044.47-383,697.30-157,181.76

Finding the Fourth Proportional to 278,044.47, 383,697.30 and 157,181.76

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Solution

The fourth proportional to 278,044.47, 383,697.30 and 157,181.76 is: 216,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,044.47 : 383,697.30 = 157,181.76 : x
  2. Step 2: Convert to fraction form
    278,044.47/383,697.30 = 157,181.76/x
  3. Step 3: Cross multiply
    278,044.47x = 383,697.30 × 157,181.76
  4. Step 4: Simplify right side
    278,044.47x = 60,310,216,921.25
  5. Step 5: Solve for x
    x = 60,310,216,921.25/278,044.47
  6. Step 6: Final answer
    x = 216,908.53

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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.