Home / 197,263.52-272,218.19-111,221.75

Finding the Fourth Proportional to 197,263.52, 272,218.19 and 111,221.75

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Solution

The fourth proportional to 197,263.52, 272,218.19 and 111,221.75 is: 153,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,263.52 : 272,218.19 = 111,221.75 : x
  2. Step 2: Convert to fraction form
    197,263.52/272,218.19 = 111,221.75/x
  3. Step 3: Cross multiply
    197,263.52x = 272,218.19 × 111,221.75
  4. Step 4: Simplify right side
    197,263.52x = 30,276,581,556.43
  5. Step 5: Solve for x
    x = 30,276,581,556.43/197,263.52
  6. Step 6: Final answer
    x = 153,482.93

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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.