Home / 197,184.52-272,163-112,351.60

Finding the Fourth Proportional to 197,184.52, 272,163 and 112,351.60

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Solution

The fourth proportional to 197,184.52, 272,163 and 112,351.60 is: 155,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,184.52 : 272,163 = 112,351.60 : x
  2. Step 2: Convert to fraction form
    197,184.52/272,163 = 112,351.60/x
  3. Step 3: Cross multiply
    197,184.52x = 272,163 × 112,351.60
  4. Step 4: Simplify right side
    197,184.52x = 30,577,948,510.80
  5. Step 5: Solve for x
    x = 30,577,948,510.80/197,184.52
  6. Step 6: Final answer
    x = 155,072.76

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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.