Home / 197,516.18-272,572.14-111,493.27

Finding the Fourth Proportional to 197,516.18, 272,572.14 and 111,493.27

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Solution

The fourth proportional to 197,516.18, 272,572.14 and 111,493.27 is: 153,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,516.18 : 272,572.14 = 111,493.27 : x
  2. Step 2: Convert to fraction form
    197,516.18/272,572.14 = 111,493.27/x
  3. Step 3: Cross multiply
    197,516.18x = 272,572.14 × 111,493.27
  4. Step 4: Simplify right side
    197,516.18x = 30,389,957,836.64
  5. Step 5: Solve for x
    x = 30,389,957,836.64/197,516.18
  6. Step 6: Final answer
    x = 153,860.60

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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.