Home / 347,110.07-479,056.27-194,156.76

Finding the Fourth Proportional to 347,110.07, 479,056.27 and 194,156.76

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Solution

The fourth proportional to 347,110.07, 479,056.27 and 194,156.76 is: 267,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,110.07 : 479,056.27 = 194,156.76 : x
  2. Step 2: Convert to fraction form
    347,110.07/479,056.27 = 194,156.76/x
  3. Step 3: Cross multiply
    347,110.07x = 479,056.27 × 194,156.76
  4. Step 4: Simplify right side
    347,110.07x = 93,012,012,755.49
  5. Step 5: Solve for x
    x = 93,012,012,755.49/347,110.07
  6. Step 6: Final answer
    x = 267,961.15

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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.