Home / 197,456.70-272,488.52-111,416.32

Finding the Fourth Proportional to 197,456.70, 272,488.52 and 111,416.32

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Solution

The fourth proportional to 197,456.70, 272,488.52 and 111,416.32 is: 153,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,456.70 : 272,488.52 = 111,416.32 : x
  2. Step 2: Convert to fraction form
    197,456.70/272,488.52 = 111,416.32/x
  3. Step 3: Cross multiply
    197,456.70x = 272,488.52 × 111,416.32
  4. Step 4: Simplify right side
    197,456.70x = 30,359,668,140.65
  5. Step 5: Solve for x
    x = 30,359,668,140.65/197,456.70
  6. Step 6: Final answer
    x = 153,753.55

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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.