Home / 221,387.51-332,258.20-114,801.77

Finding the Fourth Proportional to 221,387.51, 332,258.20 and 114,801.77

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Solution

The fourth proportional to 221,387.51, 332,258.20 and 114,801.77 is: 172,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,387.51 : 332,258.20 = 114,801.77 : x
  2. Step 2: Convert to fraction form
    221,387.51/332,258.20 = 114,801.77/x
  3. Step 3: Cross multiply
    221,387.51x = 332,258.20 × 114,801.77
  4. Step 4: Simplify right side
    221,387.51x = 38,143,827,508.72
  5. Step 5: Solve for x
    x = 38,143,827,508.72/221,387.51
  6. Step 6: Final answer
    x = 172,294.40

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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.