Home / 347,318.04-479,193.12-194,340.36

Finding the Fourth Proportional to 347,318.04, 479,193.12 and 194,340.36

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Solution

The fourth proportional to 347,318.04, 479,193.12 and 194,340.36 is: 268,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,318.04 : 479,193.12 = 194,340.36 : x
  2. Step 2: Convert to fraction form
    347,318.04/479,193.12 = 194,340.36/x
  3. Step 3: Cross multiply
    347,318.04x = 479,193.12 × 194,340.36
  4. Step 4: Simplify right side
    347,318.04x = 93,126,563,450.32
  5. Step 5: Solve for x
    x = 93,126,563,450.32/347,318.04
  6. Step 6: Final answer
    x = 268,130.51

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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.