Home / 197,490.43-272,536.65-111,467.52

Finding the Fourth Proportional to 197,490.43, 272,536.65 and 111,467.52

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Solution

The fourth proportional to 197,490.43, 272,536.65 and 111,467.52 is: 153,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,490.43 : 272,536.65 = 111,467.52 : x
  2. Step 2: Convert to fraction form
    197,490.43/272,536.65 = 111,467.52/x
  3. Step 3: Cross multiply
    197,490.43x = 272,536.65 × 111,467.52
  4. Step 4: Simplify right side
    197,490.43x = 30,378,983,718.10
  5. Step 5: Solve for x
    x = 30,378,983,718.10/197,490.43
  6. Step 6: Final answer
    x = 153,825.09

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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.