Home / 156,642.73-234,771.45-61,777.69

Finding the Fourth Proportional to 156,642.73, 234,771.45 and 61,777.69

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Solution

The fourth proportional to 156,642.73, 234,771.45 and 61,777.69 is: 92,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,642.73 : 234,771.45 = 61,777.69 : x
  2. Step 2: Convert to fraction form
    156,642.73/234,771.45 = 61,777.69/x
  3. Step 3: Cross multiply
    156,642.73x = 234,771.45 × 61,777.69
  4. Step 4: Simplify right side
    156,642.73x = 14,503,637,858.95
  5. Step 5: Solve for x
    x = 14,503,637,858.95/156,642.73
  6. Step 6: Final answer
    x = 92,590.56

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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.