Home / 162,048.20-243,145.20-56,942.60

Finding the Fourth Proportional to 162,048.20, 243,145.20 and 56,942.60

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Solution

The fourth proportional to 162,048.20, 243,145.20 and 56,942.60 is: 85,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,048.20 : 243,145.20 = 56,942.60 : x
  2. Step 2: Convert to fraction form
    162,048.20/243,145.20 = 56,942.60/x
  3. Step 3: Cross multiply
    162,048.20x = 243,145.20 × 56,942.60
  4. Step 4: Simplify right side
    162,048.20x = 13,845,319,865.52
  5. Step 5: Solve for x
    x = 13,845,319,865.52/162,048.20
  6. Step 6: Final answer
    x = 85,439.52

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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.