Home / 162,454.78-243,682.20-44,143.60

Finding the Fourth Proportional to 162,454.78, 243,682.20 and 44,143.60

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Solution

The fourth proportional to 162,454.78, 243,682.20 and 44,143.60 is: 66,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,454.78 : 243,682.20 = 44,143.60 : x
  2. Step 2: Convert to fraction form
    162,454.78/243,682.20 = 44,143.60/x
  3. Step 3: Cross multiply
    162,454.78x = 243,682.20 × 44,143.60
  4. Step 4: Simplify right side
    162,454.78x = 10,757,009,563.92
  5. Step 5: Solve for x
    x = 10,757,009,563.92/162,454.78
  6. Step 6: Final answer
    x = 66,215.41

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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.