Home / 141,643.62-212,487.30-48,127.50

Finding the Fourth Proportional to 141,643.62, 212,487.30 and 48,127.50

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Solution

The fourth proportional to 141,643.62, 212,487.30 and 48,127.50 is: 72,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,643.62 : 212,487.30 = 48,127.50 : x
  2. Step 2: Convert to fraction form
    141,643.62/212,487.30 = 48,127.50/x
  3. Step 3: Cross multiply
    141,643.62x = 212,487.30 × 48,127.50
  4. Step 4: Simplify right side
    141,643.62x = 10,226,482,530.75
  5. Step 5: Solve for x
    x = 10,226,482,530.75/141,643.62
  6. Step 6: Final answer
    x = 72,198.68

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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.