Home / 142,934.84-214,372.18-92,181.86

Finding the Fourth Proportional to 142,934.84, 214,372.18 and 92,181.86

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Solution

The fourth proportional to 142,934.84, 214,372.18 and 92,181.86 is: 138,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,934.84 : 214,372.18 = 92,181.86 : x
  2. Step 2: Convert to fraction form
    142,934.84/214,372.18 = 92,181.86/x
  3. Step 3: Cross multiply
    142,934.84x = 214,372.18 × 92,181.86
  4. Step 4: Simplify right side
    142,934.84x = 19,761,224,982.34
  5. Step 5: Solve for x
    x = 19,761,224,982.34/142,934.84
  6. Step 6: Final answer
    x = 138,253.39

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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.