Home / 141,213.60-212,835.60-121,727.52

Finding the Fourth Proportional to 141,213.60, 212,835.60 and 121,727.52

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Solution

The fourth proportional to 141,213.60, 212,835.60 and 121,727.52 is: 183,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,213.60 : 212,835.60 = 121,727.52 : x
  2. Step 2: Convert to fraction form
    141,213.60/212,835.60 = 121,727.52/x
  3. Step 3: Cross multiply
    141,213.60x = 212,835.60 × 121,727.52
  4. Step 4: Simplify right side
    141,213.60x = 25,907,949,755.71
  5. Step 5: Solve for x
    x = 25,907,949,755.71/141,213.60
  6. Step 6: Final answer
    x = 183,466.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.