Home / 141,835.88-212,785.36-61,886.80

Finding the Fourth Proportional to 141,835.88, 212,785.36 and 61,886.80

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Solution

The fourth proportional to 141,835.88, 212,785.36 and 61,886.80 is: 92,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,835.88 : 212,785.36 = 61,886.80 : x
  2. Step 2: Convert to fraction form
    141,835.88/212,785.36 = 61,886.80/x
  3. Step 3: Cross multiply
    141,835.88x = 212,785.36 × 61,886.80
  4. Step 4: Simplify right side
    141,835.88x = 13,168,605,394.49
  5. Step 5: Solve for x
    x = 13,168,605,394.49/141,835.88
  6. Step 6: Final answer
    x = 92,843.97

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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.