Home / 141,928.40-212,815.80-58,830.80

Finding the Fourth Proportional to 141,928.40, 212,815.80 and 58,830.80

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Solution

The fourth proportional to 141,928.40, 212,815.80 and 58,830.80 is: 88,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,928.40 : 212,815.80 = 58,830.80 : x
  2. Step 2: Convert to fraction form
    141,928.40/212,815.80 = 58,830.80/x
  3. Step 3: Cross multiply
    141,928.40x = 212,815.80 × 58,830.80
  4. Step 4: Simplify right side
    141,928.40x = 12,520,123,766.64
  5. Step 5: Solve for x
    x = 12,520,123,766.64/141,928.40
  6. Step 6: Final answer
    x = 88,214.37

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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.