Home / 212,147.91-292,769.15-116,654.54

Finding the Fourth Proportional to 212,147.91, 292,769.15 and 116,654.54

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Solution

The fourth proportional to 212,147.91, 292,769.15 and 116,654.54 is: 160,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,147.91 : 292,769.15 = 116,654.54 : x
  2. Step 2: Convert to fraction form
    212,147.91/292,769.15 = 116,654.54/x
  3. Step 3: Cross multiply
    212,147.91x = 292,769.15 × 116,654.54
  4. Step 4: Simplify right side
    212,147.91x = 34,152,848,472.32
  5. Step 5: Solve for x
    x = 34,152,848,472.32/212,147.91
  6. Step 6: Final answer
    x = 160,986.02

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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.