Home / 366,913.38-550,311-100,612.08

Finding the Fourth Proportional to 366,913.38, 550,311 and 100,612.08

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Solution

The fourth proportional to 366,913.38, 550,311 and 100,612.08 is: 150,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,913.38 : 550,311 = 100,612.08 : x
  2. Step 2: Convert to fraction form
    366,913.38/550,311 = 100,612.08/x
  3. Step 3: Cross multiply
    366,913.38x = 550,311 × 100,612.08
  4. Step 4: Simplify right side
    366,913.38x = 55,367,934,356.88
  5. Step 5: Solve for x
    x = 55,367,934,356.88/366,913.38
  6. Step 6: Final answer
    x = 150,901.92

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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.