Home / 366,931.06-550,337.55-100,629.79

Finding the Fourth Proportional to 366,931.06, 550,337.55 and 100,629.79

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Solution

The fourth proportional to 366,931.06, 550,337.55 and 100,629.79 is: 150,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,931.06 : 550,337.55 = 100,629.79 : x
  2. Step 2: Convert to fraction form
    366,931.06/550,337.55 = 100,629.79/x
  3. Step 3: Cross multiply
    366,931.06x = 550,337.55 × 100,629.79
  4. Step 4: Simplify right side
    366,931.06x = 55,380,352,085.61
  5. Step 5: Solve for x
    x = 55,380,352,085.61/366,931.06
  6. Step 6: Final answer
    x = 150,928.49

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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.