Home / 347,161.04-479,059.64-194,172.72

Finding the Fourth Proportional to 347,161.04, 479,059.64 and 194,172.72

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Solution

The fourth proportional to 347,161.04, 479,059.64 and 194,172.72 is: 267,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,161.04 : 479,059.64 = 194,172.72 : x
  2. Step 2: Convert to fraction form
    347,161.04/479,059.64 = 194,172.72/x
  3. Step 3: Cross multiply
    347,161.04x = 479,059.64 × 194,172.72
  4. Step 4: Simplify right side
    347,161.04x = 93,020,313,341.02
  5. Step 5: Solve for x
    x = 93,020,313,341.02/347,161.04
  6. Step 6: Final answer
    x = 267,945.72

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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.