Home / 148,746.92-205,272.28-80,764.52

Finding the Fourth Proportional to 148,746.92, 205,272.28 and 80,764.52

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Solution

The fourth proportional to 148,746.92, 205,272.28 and 80,764.52 is: 111,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,746.92 : 205,272.28 = 80,764.52 : x
  2. Step 2: Convert to fraction form
    148,746.92/205,272.28 = 80,764.52/x
  3. Step 3: Cross multiply
    148,746.92x = 205,272.28 × 80,764.52
  4. Step 4: Simplify right side
    148,746.92x = 16,578,717,163.51
  5. Step 5: Solve for x
    x = 16,578,717,163.51/148,746.92
  6. Step 6: Final answer
    x = 111,455.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.