Home / 156,393.88-234,537.90-51,186.76

Finding the Fourth Proportional to 156,393.88, 234,537.90 and 51,186.76

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Solution

The fourth proportional to 156,393.88, 234,537.90 and 51,186.76 is: 76,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,393.88 : 234,537.90 = 51,186.76 : x
  2. Step 2: Convert to fraction form
    156,393.88/234,537.90 = 51,186.76/x
  3. Step 3: Cross multiply
    156,393.88x = 234,537.90 × 51,186.76
  4. Step 4: Simplify right side
    156,393.88x = 12,005,235,198.20
  5. Step 5: Solve for x
    x = 12,005,235,198.20/156,393.88
  6. Step 6: Final answer
    x = 76,762.82

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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.