Home / 166,904.50-230,328.21-99,836.50

Finding the Fourth Proportional to 166,904.50, 230,328.21 and 99,836.50

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Solution

The fourth proportional to 166,904.50, 230,328.21 and 99,836.50 is: 137,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,904.50 : 230,328.21 = 99,836.50 : x
  2. Step 2: Convert to fraction form
    166,904.50/230,328.21 = 99,836.50/x
  3. Step 3: Cross multiply
    166,904.50x = 230,328.21 × 99,836.50
  4. Step 4: Simplify right side
    166,904.50x = 22,995,162,337.67
  5. Step 5: Solve for x
    x = 22,995,162,337.67/166,904.50
  6. Step 6: Final answer
    x = 137,774.37

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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.