Home / 310,183.40-428,002.76-193,883.11

Finding the Fourth Proportional to 310,183.40, 428,002.76 and 193,883.11

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Solution

The fourth proportional to 310,183.40, 428,002.76 and 193,883.11 is: 267,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,183.40 : 428,002.76 = 193,883.11 : x
  2. Step 2: Convert to fraction form
    310,183.40/428,002.76 = 193,883.11/x
  3. Step 3: Cross multiply
    310,183.40x = 428,002.76 × 193,883.11
  4. Step 4: Simplify right side
    310,183.40x = 82,982,506,197.38
  5. Step 5: Solve for x
    x = 82,982,506,197.38/310,183.40
  6. Step 6: Final answer
    x = 267,527.23

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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.