Home / 156,626.40-234,961.20-56,762.40

Finding the Fourth Proportional to 156,626.40, 234,961.20 and 56,762.40

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Solution

The fourth proportional to 156,626.40, 234,961.20 and 56,762.40 is: 85,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,626.40 : 234,961.20 = 56,762.40 : x
  2. Step 2: Convert to fraction form
    156,626.40/234,961.20 = 56,762.40/x
  3. Step 3: Cross multiply
    156,626.40x = 234,961.20 × 56,762.40
  4. Step 4: Simplify right side
    156,626.40x = 13,336,961,618.88
  5. Step 5: Solve for x
    x = 13,336,961,618.88/156,626.40
  6. Step 6: Final answer
    x = 85,151.43

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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.