Home / 294,789.84-406,811.52-167,472.72

Finding the Fourth Proportional to 294,789.84, 406,811.52 and 167,472.72

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Solution

The fourth proportional to 294,789.84, 406,811.52 and 167,472.72 is: 231,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,789.84 : 406,811.52 = 167,472.72 : x
  2. Step 2: Convert to fraction form
    294,789.84/406,811.52 = 167,472.72/x
  3. Step 3: Cross multiply
    294,789.84x = 406,811.52 × 167,472.72
  4. Step 4: Simplify right side
    294,789.84x = 68,129,831,781.73
  5. Step 5: Solve for x
    x = 68,129,831,781.73/294,789.84
  6. Step 6: Final answer
    x = 231,113.23

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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.