Home / 217,188.77-326,141.45-146,565.14

Finding the Fourth Proportional to 217,188.77, 326,141.45 and 146,565.14

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Solution

The fourth proportional to 217,188.77, 326,141.45 and 146,565.14 is: 220,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,188.77 : 326,141.45 = 146,565.14 : x
  2. Step 2: Convert to fraction form
    217,188.77/326,141.45 = 146,565.14/x
  3. Step 3: Cross multiply
    217,188.77x = 326,141.45 × 146,565.14
  4. Step 4: Simplify right side
    217,188.77x = 47,800,966,546.23
  5. Step 5: Solve for x
    x = 47,800,966,546.23/217,188.77
  6. Step 6: Final answer
    x = 220,089.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.