Home / 175,323.78-262,726.83-80,319.60

Finding the Fourth Proportional to 175,323.78, 262,726.83 and 80,319.60

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Solution

The fourth proportional to 175,323.78, 262,726.83 and 80,319.60 is: 120,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,323.78 : 262,726.83 = 80,319.60 : x
  2. Step 2: Convert to fraction form
    175,323.78/262,726.83 = 80,319.60/x
  3. Step 3: Cross multiply
    175,323.78x = 262,726.83 × 80,319.60
  4. Step 4: Simplify right side
    175,323.78x = 21,102,113,894.87
  5. Step 5: Solve for x
    x = 21,102,113,894.87/175,323.78
  6. Step 6: Final answer
    x = 120,360.82

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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.