Home / 156,777.30-235,187.55-68,028.30

Finding the Fourth Proportional to 156,777.30, 235,187.55 and 68,028.30

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Solution

The fourth proportional to 156,777.30, 235,187.55 and 68,028.30 is: 102,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,777.30 : 235,187.55 = 68,028.30 : x
  2. Step 2: Convert to fraction form
    156,777.30/235,187.55 = 68,028.30/x
  3. Step 3: Cross multiply
    156,777.30x = 235,187.55 × 68,028.30
  4. Step 4: Simplify right side
    156,777.30x = 15,999,409,207.67
  5. Step 5: Solve for x
    x = 15,999,409,207.67/156,777.30
  6. Step 6: Final answer
    x = 102,051.82

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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.