Home / 340,849.04-511,274.88-104,190.80

Finding the Fourth Proportional to 340,849.04, 511,274.88 and 104,190.80

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Solution

The fourth proportional to 340,849.04, 511,274.88 and 104,190.80 is: 156,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,849.04 : 511,274.88 = 104,190.80 : x
  2. Step 2: Convert to fraction form
    340,849.04/511,274.88 = 104,190.80/x
  3. Step 3: Cross multiply
    340,849.04x = 511,274.88 × 104,190.80
  4. Step 4: Simplify right side
    340,849.04x = 53,270,138,767.10
  5. Step 5: Solve for x
    x = 53,270,138,767.10/340,849.04
  6. Step 6: Final answer
    x = 156,286.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.