Home / 110,255.48-152,163.86-64,947.72

Finding the Fourth Proportional to 110,255.48, 152,163.86 and 64,947.72

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Solution

The fourth proportional to 110,255.48, 152,163.86 and 64,947.72 is: 89,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,255.48 : 152,163.86 = 64,947.72 : x
  2. Step 2: Convert to fraction form
    110,255.48/152,163.86 = 64,947.72/x
  3. Step 3: Cross multiply
    110,255.48x = 152,163.86 × 64,947.72
  4. Step 4: Simplify right side
    110,255.48x = 9,882,695,448.66
  5. Step 5: Solve for x
    x = 9,882,695,448.66/110,255.48
  6. Step 6: Final answer
    x = 89,634.51

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1.5x scale

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.