Home / 141,750.12-212,551.38-52,930.59

Finding the Fourth Proportional to 141,750.12, 212,551.38 and 52,930.59

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Solution

The fourth proportional to 141,750.12, 212,551.38 and 52,930.59 is: 79,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,750.12 : 212,551.38 = 52,930.59 : x
  2. Step 2: Convert to fraction form
    141,750.12/212,551.38 = 52,930.59/x
  3. Step 3: Cross multiply
    141,750.12x = 212,551.38 × 52,930.59
  4. Step 4: Simplify right side
    141,750.12x = 11,250,469,948.71
  5. Step 5: Solve for x
    x = 11,250,469,948.71/141,750.12
  6. Step 6: Final answer
    x = 79,368.33

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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.