Home / 197,256.52-272,208.55-111,214.76

Finding the Fourth Proportional to 197,256.52, 272,208.55 and 111,214.76

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Solution

The fourth proportional to 197,256.52, 272,208.55 and 111,214.76 is: 153,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,256.52 : 272,208.55 = 111,214.76 : x
  2. Step 2: Convert to fraction form
    197,256.52/272,208.55 = 111,214.76/x
  3. Step 3: Cross multiply
    197,256.52x = 272,208.55 × 111,214.76
  4. Step 4: Simplify right side
    197,256.52x = 30,273,606,919.12
  5. Step 5: Solve for x
    x = 30,273,606,919.12/197,256.52
  6. Step 6: Final answer
    x = 153,473.29

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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.