Home / 347,028.30-478,896.34-194,066.79

Finding the Fourth Proportional to 347,028.30, 478,896.34 and 194,066.79

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Solution

The fourth proportional to 347,028.30, 478,896.34 and 194,066.79 is: 267,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,028.30 : 478,896.34 = 194,066.79 : x
  2. Step 2: Convert to fraction form
    347,028.30/478,896.34 = 194,066.79/x
  3. Step 3: Cross multiply
    347,028.30x = 478,896.34 × 194,066.79
  4. Step 4: Simplify right side
    347,028.30x = 92,937,875,446.55
  5. Step 5: Solve for x
    x = 92,937,875,446.55/347,028.30
  6. Step 6: Final answer
    x = 267,810.65

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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.