Home / 166,207.23-229,384.05-102,543.39

Finding the Fourth Proportional to 166,207.23, 229,384.05 and 102,543.39

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Solution

The fourth proportional to 166,207.23, 229,384.05 and 102,543.39 is: 141,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,207.23 : 229,384.05 = 102,543.39 : x
  2. Step 2: Convert to fraction form
    166,207.23/229,384.05 = 102,543.39/x
  3. Step 3: Cross multiply
    166,207.23x = 229,384.05 × 102,543.39
  4. Step 4: Simplify right side
    166,207.23x = 23,521,818,098.93
  5. Step 5: Solve for x
    x = 23,521,818,098.93/166,207.23
  6. Step 6: Final answer
    x = 141,521.03

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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.