Home / 141,640.42-212,388.45-69,598.12

Finding the Fourth Proportional to 141,640.42, 212,388.45 and 69,598.12

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Solution

The fourth proportional to 141,640.42, 212,388.45 and 69,598.12 is: 104,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,640.42 : 212,388.45 = 69,598.12 : x
  2. Step 2: Convert to fraction form
    141,640.42/212,388.45 = 69,598.12/x
  3. Step 3: Cross multiply
    141,640.42x = 212,388.45 × 69,598.12
  4. Step 4: Simplify right side
    141,640.42x = 14,781,835,911.72
  5. Step 5: Solve for x
    x = 14,781,835,911.72/141,640.42
  6. Step 6: Final answer
    x = 104,361.71

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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.