Home / 347,362.16-479,368.35-194,399.15

Finding the Fourth Proportional to 347,362.16, 479,368.35 and 194,399.15

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Solution

The fourth proportional to 347,362.16, 479,368.35 and 194,399.15 is: 268,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,362.16 : 479,368.35 = 194,399.15 : x
  2. Step 2: Convert to fraction form
    347,362.16/479,368.35 = 194,399.15/x
  3. Step 3: Cross multiply
    347,362.16x = 479,368.35 × 194,399.15
  4. Step 4: Simplify right side
    347,362.16x = 93,188,797,380.06
  5. Step 5: Solve for x
    x = 93,188,797,380.06/347,362.16
  6. Step 6: Final answer
    x = 268,275.62

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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.