Home / 197,336.92-272,319.42-107,911

Finding the Fourth Proportional to 197,336.92, 272,319.42 and 107,911

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Solution

The fourth proportional to 197,336.92, 272,319.42 and 107,911 is: 148,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,336.92 : 272,319.42 = 107,911 : x
  2. Step 2: Convert to fraction form
    197,336.92/272,319.42 = 107,911/x
  3. Step 3: Cross multiply
    197,336.92x = 272,319.42 × 107,911
  4. Step 4: Simplify right side
    197,336.92x = 29,386,260,931.62
  5. Step 5: Solve for x
    x = 29,386,260,931.62/197,336.92
  6. Step 6: Final answer
    x = 148,914.16

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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.