Home / 141,967.17-212,904.66-47,171.89

Finding the Fourth Proportional to 141,967.17, 212,904.66 and 47,171.89

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Solution

The fourth proportional to 141,967.17, 212,904.66 and 47,171.89 is: 70,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,967.17 : 212,904.66 = 47,171.89 : x
  2. Step 2: Convert to fraction form
    141,967.17/212,904.66 = 47,171.89/x
  3. Step 3: Cross multiply
    141,967.17x = 212,904.66 × 47,171.89
  4. Step 4: Simplify right side
    141,967.17x = 10,043,115,202.01
  5. Step 5: Solve for x
    x = 10,043,115,202.01/141,967.17
  6. Step 6: Final answer
    x = 70,742.52

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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.