Home / 156,109.06-234,163.60-37,780.42

Finding the Fourth Proportional to 156,109.06, 234,163.60 and 37,780.42

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Solution

The fourth proportional to 156,109.06, 234,163.60 and 37,780.42 is: 56,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,109.06 : 234,163.60 = 37,780.42 : x
  2. Step 2: Convert to fraction form
    156,109.06/234,163.60 = 37,780.42/x
  3. Step 3: Cross multiply
    156,109.06x = 234,163.60 × 37,780.42
  4. Step 4: Simplify right side
    156,109.06x = 8,846,799,156.71
  5. Step 5: Solve for x
    x = 8,846,799,156.71/156,109.06
  6. Step 6: Final answer
    x = 56,670.63

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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.