Home / 254,411.18-381,624.88-127,982.34

Finding the Fourth Proportional to 254,411.18, 381,624.88 and 127,982.34

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Solution

The fourth proportional to 254,411.18, 381,624.88 and 127,982.34 is: 191,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,411.18 : 381,624.88 = 127,982.34 : x
  2. Step 2: Convert to fraction form
    254,411.18/381,624.88 = 127,982.34/x
  3. Step 3: Cross multiply
    254,411.18x = 381,624.88 × 127,982.34
  4. Step 4: Simplify right side
    254,411.18x = 48,841,245,144.62
  5. Step 5: Solve for x
    x = 48,841,245,144.62/254,411.18
  6. Step 6: Final answer
    x = 191,977.59

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1.5x scale

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.