Home / 379,654.22-569,638.52-166,311.92

Finding the Fourth Proportional to 379,654.22, 569,638.52 and 166,311.92

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Solution

The fourth proportional to 379,654.22, 569,638.52 and 166,311.92 is: 249,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,654.22 : 569,638.52 = 166,311.92 : x
  2. Step 2: Convert to fraction form
    379,654.22/569,638.52 = 166,311.92/x
  3. Step 3: Cross multiply
    379,654.22x = 569,638.52 × 166,311.92
  4. Step 4: Simplify right side
    379,654.22x = 94,737,675,967.16
  5. Step 5: Solve for x
    x = 94,737,675,967.16/379,654.22
  6. Step 6: Final answer
    x = 249,536.74

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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.