Home / 366,908.49-550,417.38-130,231.35

Finding the Fourth Proportional to 366,908.49, 550,417.38 and 130,231.35

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Solution

The fourth proportional to 366,908.49, 550,417.38 and 130,231.35 is: 195,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,908.49 : 550,417.38 = 130,231.35 : x
  2. Step 2: Convert to fraction form
    366,908.49/550,417.38 = 130,231.35/x
  3. Step 3: Cross multiply
    366,908.49x = 550,417.38 × 130,231.35
  4. Step 4: Simplify right side
    366,908.49x = 71,681,598,460.86
  5. Step 5: Solve for x
    x = 71,681,598,460.86/366,908.49
  6. Step 6: Final answer
    x = 195,366.42

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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.