Home / 193,119.04-266,500.24-105,902.88

Finding the Fourth Proportional to 193,119.04, 266,500.24 and 105,902.88

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Solution

The fourth proportional to 193,119.04, 266,500.24 and 105,902.88 is: 146,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,119.04 : 266,500.24 = 105,902.88 : x
  2. Step 2: Convert to fraction form
    193,119.04/266,500.24 = 105,902.88/x
  3. Step 3: Cross multiply
    193,119.04x = 266,500.24 × 105,902.88
  4. Step 4: Simplify right side
    193,119.04x = 28,223,142,936.69
  5. Step 5: Solve for x
    x = 28,223,142,936.69/193,119.04
  6. Step 6: Final answer
    x = 146,143.76

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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.