Home / 432,228.13-647,898.79-165,916.93

Finding the Fourth Proportional to 432,228.13, 647,898.79 and 165,916.93

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Solution

The fourth proportional to 432,228.13, 647,898.79 and 165,916.93 is: 248,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,228.13 : 647,898.79 = 165,916.93 : x
  2. Step 2: Convert to fraction form
    432,228.13/647,898.79 = 165,916.93/x
  3. Step 3: Cross multiply
    432,228.13x = 647,898.79 × 165,916.93
  4. Step 4: Simplify right side
    432,228.13x = 107,497,378,187.52
  5. Step 5: Solve for x
    x = 107,497,378,187.52/432,228.13
  6. Step 6: Final answer
    x = 248,705.19

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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.