Home / 141,490.89-212,163.28-41,638.11

Finding the Fourth Proportional to 141,490.89, 212,163.28 and 41,638.11

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Solution

The fourth proportional to 141,490.89, 212,163.28 and 41,638.11 is: 62,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,490.89 : 212,163.28 = 41,638.11 : x
  2. Step 2: Convert to fraction form
    141,490.89/212,163.28 = 41,638.11/x
  3. Step 3: Cross multiply
    141,490.89x = 212,163.28 × 41,638.11
  4. Step 4: Simplify right side
    141,490.89x = 8,834,077,990.60
  5. Step 5: Solve for x
    x = 8,834,077,990.60/141,490.89
  6. Step 6: Final answer
    x = 62,435.67

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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.