Home / 132,237.50-198,389.81-61,211.37

Finding the Fourth Proportional to 132,237.50, 198,389.81 and 61,211.37

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Solution

The fourth proportional to 132,237.50, 198,389.81 and 61,211.37 is: 91,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,237.50 : 198,389.81 = 61,211.37 : x
  2. Step 2: Convert to fraction form
    132,237.50/198,389.81 = 61,211.37/x
  3. Step 3: Cross multiply
    132,237.50x = 198,389.81 × 61,211.37
  4. Step 4: Simplify right side
    132,237.50x = 12,143,712,064.14
  5. Step 5: Solve for x
    x = 12,143,712,064.14/132,237.50
  6. Step 6: Final answer
    x = 91,832.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.