Home / 167,566.15-231,215.51-99,557.96

Finding the Fourth Proportional to 167,566.15, 231,215.51 and 99,557.96

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Solution

The fourth proportional to 167,566.15, 231,215.51 and 99,557.96 is: 137,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,566.15 : 231,215.51 = 99,557.96 : x
  2. Step 2: Convert to fraction form
    167,566.15/231,215.51 = 99,557.96/x
  3. Step 3: Cross multiply
    167,566.15x = 231,215.51 × 99,557.96
  4. Step 4: Simplify right side
    167,566.15x = 23,019,344,889.36
  5. Step 5: Solve for x
    x = 23,019,344,889.36/167,566.15
  6. Step 6: Final answer
    x = 137,374.67

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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.