Home / 141,961.60-212,942.40-106,532.20

Finding the Fourth Proportional to 141,961.60, 212,942.40 and 106,532.20

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Solution

The fourth proportional to 141,961.60, 212,942.40 and 106,532.20 is: 159,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,961.60 : 212,942.40 = 106,532.20 : x
  2. Step 2: Convert to fraction form
    141,961.60/212,942.40 = 106,532.20/x
  3. Step 3: Cross multiply
    141,961.60x = 212,942.40 × 106,532.20
  4. Step 4: Simplify right side
    141,961.60x = 22,685,222,345.28
  5. Step 5: Solve for x
    x = 22,685,222,345.28/141,961.60
  6. Step 6: Final answer
    x = 159,798.30

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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.