Home / 418,156.04-577,059.39-227,170.80

Finding the Fourth Proportional to 418,156.04, 577,059.39 and 227,170.80

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Solution

The fourth proportional to 418,156.04, 577,059.39 and 227,170.80 is: 313,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,156.04 : 577,059.39 = 227,170.80 : x
  2. Step 2: Convert to fraction form
    418,156.04/577,059.39 = 227,170.80/x
  3. Step 3: Cross multiply
    418,156.04x = 577,059.39 × 227,170.80
  4. Step 4: Simplify right side
    418,156.04x = 131,091,043,273.81
  5. Step 5: Solve for x
    x = 131,091,043,273.81/418,156.04
  6. Step 6: Final answer
    x = 313,497.90

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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.