Home / 141,967.89-212,905.74-47,172.62

Finding the Fourth Proportional to 141,967.89, 212,905.74 and 47,172.62

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Solution

The fourth proportional to 141,967.89, 212,905.74 and 47,172.62 is: 70,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,967.89 : 212,905.74 = 47,172.62 : x
  2. Step 2: Convert to fraction form
    141,967.89/212,905.74 = 47,172.62/x
  3. Step 3: Cross multiply
    141,967.89x = 212,905.74 × 47,172.62
  4. Step 4: Simplify right side
    141,967.89x = 10,043,320,268.45
  5. Step 5: Solve for x
    x = 10,043,320,268.45/141,967.89
  6. Step 6: Final answer
    x = 70,743.60

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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.