Home / 141,639.38-212,459.59-52,891.94

Finding the Fourth Proportional to 141,639.38, 212,459.59 and 52,891.94

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Solution

The fourth proportional to 141,639.38, 212,459.59 and 52,891.94 is: 79,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,639.38 : 212,459.59 = 52,891.94 : x
  2. Step 2: Convert to fraction form
    141,639.38/212,459.59 = 52,891.94/x
  3. Step 3: Cross multiply
    141,639.38x = 212,459.59 × 52,891.94
  4. Step 4: Simplify right side
    141,639.38x = 11,237,399,886.70
  5. Step 5: Solve for x
    x = 11,237,399,886.70/141,639.38
  6. Step 6: Final answer
    x = 79,338.10

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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.