Home / 166,451.49-229,704.11-89,970.44

Finding the Fourth Proportional to 166,451.49, 229,704.11 and 89,970.44

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Solution

The fourth proportional to 166,451.49, 229,704.11 and 89,970.44 is: 124,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,451.49 : 229,704.11 = 89,970.44 : x
  2. Step 2: Convert to fraction form
    166,451.49/229,704.11 = 89,970.44/x
  3. Step 3: Cross multiply
    166,451.49x = 229,704.11 × 89,970.44
  4. Step 4: Simplify right side
    166,451.49x = 20,666,578,248.14
  5. Step 5: Solve for x
    x = 20,666,578,248.14/166,451.49
  6. Step 6: Final answer
    x = 124,159.77

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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.