Home / 110,105.20-151,942.64-64,161.91

Finding the Fourth Proportional to 110,105.20, 151,942.64 and 64,161.91

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Solution

The fourth proportional to 110,105.20, 151,942.64 and 64,161.91 is: 88,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,105.20 : 151,942.64 = 64,161.91 : x
  2. Step 2: Convert to fraction form
    110,105.20/151,942.64 = 64,161.91/x
  3. Step 3: Cross multiply
    110,105.20x = 151,942.64 × 64,161.91
  4. Step 4: Simplify right side
    110,105.20x = 9,748,929,292.18
  5. Step 5: Solve for x
    x = 9,748,929,292.18/110,105.20
  6. Step 6: Final answer
    x = 88,541.95

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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.