Home / 217,897.20-326,864.64-60,125.66

Finding the Fourth Proportional to 217,897.20, 326,864.64 and 60,125.66

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Solution

The fourth proportional to 217,897.20, 326,864.64 and 60,125.66 is: 90,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,897.20 : 326,864.64 = 60,125.66 : x
  2. Step 2: Convert to fraction form
    217,897.20/326,864.64 = 60,125.66/x
  3. Step 3: Cross multiply
    217,897.20x = 326,864.64 × 60,125.66
  4. Step 4: Simplify right side
    217,897.20x = 19,652,952,210.66
  5. Step 5: Solve for x
    x = 19,652,952,210.66/217,897.20
  6. Step 6: Final answer
    x = 90,193.69

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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.