Home / 402,669.72-604,121.22-165,890.52

Finding the Fourth Proportional to 402,669.72, 604,121.22 and 165,890.52

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Solution

The fourth proportional to 402,669.72, 604,121.22 and 165,890.52 is: 248,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,669.72 : 604,121.22 = 165,890.52 : x
  2. Step 2: Convert to fraction form
    402,669.72/604,121.22 = 165,890.52/x
  3. Step 3: Cross multiply
    402,669.72x = 604,121.22 × 165,890.52
  4. Step 4: Simplify right side
    402,669.72x = 100,217,983,328.83
  5. Step 5: Solve for x
    x = 100,217,983,328.83/402,669.72
  6. Step 6: Final answer
    x = 248,883.83

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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.