Home / 197,514.18-272,605.05-111,499.38

Finding the Fourth Proportional to 197,514.18, 272,605.05 and 111,499.38

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Solution

The fourth proportional to 197,514.18, 272,605.05 and 111,499.38 is: 153,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,514.18 : 272,605.05 = 111,499.38 : x
  2. Step 2: Convert to fraction form
    197,514.18/272,605.05 = 111,499.38/x
  3. Step 3: Cross multiply
    197,514.18x = 272,605.05 × 111,499.38
  4. Step 4: Simplify right side
    197,514.18x = 30,395,294,059.87
  5. Step 5: Solve for x
    x = 30,395,294,059.87/197,514.18
  6. Step 6: Final answer
    x = 153,889.17

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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.