Home / 166,543.18-229,821.14-102,886.54

Finding the Fourth Proportional to 166,543.18, 229,821.14 and 102,886.54

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Solution

The fourth proportional to 166,543.18, 229,821.14 and 102,886.54 is: 141,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,543.18 : 229,821.14 = 102,886.54 : x
  2. Step 2: Convert to fraction form
    166,543.18/229,821.14 = 102,886.54/x
  3. Step 3: Cross multiply
    166,543.18x = 229,821.14 × 102,886.54
  4. Step 4: Simplify right side
    166,543.18x = 23,645,501,913.46
  5. Step 5: Solve for x
    x = 23,645,501,913.46/166,543.18
  6. Step 6: Final answer
    x = 141,978.21

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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.