Home / 197,502.27-272,552.95-111,479.36

Finding the Fourth Proportional to 197,502.27, 272,552.95 and 111,479.36

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Solution

The fourth proportional to 197,502.27, 272,552.95 and 111,479.36 is: 153,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,502.27 : 272,552.95 = 111,479.36 : x
  2. Step 2: Convert to fraction form
    197,502.27/272,552.95 = 111,479.36/x
  3. Step 3: Cross multiply
    197,502.27x = 272,552.95 × 111,479.36
  4. Step 4: Simplify right side
    197,502.27x = 30,384,027,208.70
  5. Step 5: Solve for x
    x = 30,384,027,208.70/197,502.27
  6. Step 6: Final answer
    x = 153,841.41

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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.