Home / 141,538.84-212,319.83-40,344.69

Finding the Fourth Proportional to 141,538.84, 212,319.83 and 40,344.69

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Solution

The fourth proportional to 141,538.84, 212,319.83 and 40,344.69 is: 60,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,538.84 : 212,319.83 = 40,344.69 : x
  2. Step 2: Convert to fraction form
    141,538.84/212,319.83 = 40,344.69/x
  3. Step 3: Cross multiply
    141,538.84x = 212,319.83 × 40,344.69
  4. Step 4: Simplify right side
    141,538.84x = 8,565,976,458.88
  5. Step 5: Solve for x
    x = 8,565,976,458.88/141,538.84
  6. Step 6: Final answer
    x = 60,520.32

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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.