Home / 142,949.62-214,153.77-95,421.40

Finding the Fourth Proportional to 142,949.62, 214,153.77 and 95,421.40

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Solution

The fourth proportional to 142,949.62, 214,153.77 and 95,421.40 is: 142,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,949.62 : 214,153.77 = 95,421.40 : x
  2. Step 2: Convert to fraction form
    142,949.62/214,153.77 = 95,421.40/x
  3. Step 3: Cross multiply
    142,949.62x = 214,153.77 × 95,421.40
  4. Step 4: Simplify right side
    142,949.62x = 20,434,852,013.29
  5. Step 5: Solve for x
    x = 20,434,852,013.29/142,949.62
  6. Step 6: Final answer
    x = 142,951.43

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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.