Home / 141,904.62-212,878.80-48,388.50

Finding the Fourth Proportional to 141,904.62, 212,878.80 and 48,388.50

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Solution

The fourth proportional to 141,904.62, 212,878.80 and 48,388.50 is: 72,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,904.62 : 212,878.80 = 48,388.50 : x
  2. Step 2: Convert to fraction form
    141,904.62/212,878.80 = 48,388.50/x
  3. Step 3: Cross multiply
    141,904.62x = 212,878.80 × 48,388.50
  4. Step 4: Simplify right side
    141,904.62x = 10,300,885,813.80
  5. Step 5: Solve for x
    x = 10,300,885,813.80/141,904.62
  6. Step 6: Final answer
    x = 72,590.21

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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.