Home / 347,247.42-479,225.19-194,300.11

Finding the Fourth Proportional to 347,247.42, 479,225.19 and 194,300.11

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Solution

The fourth proportional to 347,247.42, 479,225.19 and 194,300.11 is: 268,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,247.42 : 479,225.19 = 194,300.11 : x
  2. Step 2: Convert to fraction form
    347,247.42/479,225.19 = 194,300.11/x
  3. Step 3: Cross multiply
    347,247.42x = 479,225.19 × 194,300.11
  4. Step 4: Simplify right side
    347,247.42x = 93,113,507,131.77
  5. Step 5: Solve for x
    x = 93,113,507,131.77/347,247.42
  6. Step 6: Final answer
    x = 268,147.44

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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.