Home / 197,257.52-272,209.93-111,215.76

Finding the Fourth Proportional to 197,257.52, 272,209.93 and 111,215.76

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Solution

The fourth proportional to 197,257.52, 272,209.93 and 111,215.76 is: 153,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,257.52 : 272,209.93 = 111,215.76 : x
  2. Step 2: Convert to fraction form
    197,257.52/272,209.93 = 111,215.76/x
  3. Step 3: Cross multiply
    197,257.52x = 272,209.93 × 111,215.76
  4. Step 4: Simplify right side
    197,257.52x = 30,274,034,244.50
  5. Step 5: Solve for x
    x = 30,274,034,244.50/197,257.52
  6. Step 6: Final answer
    x = 153,474.68

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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.