Home / 156,904.35-235,356.53-109,665.15

Finding the Fourth Proportional to 156,904.35, 235,356.53 and 109,665.15

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Solution

The fourth proportional to 156,904.35, 235,356.53 and 109,665.15 is: 164,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904.35 : 235,356.53 = 109,665.15 : x
  2. Step 2: Convert to fraction form
    156,904.35/235,356.53 = 109,665.15/x
  3. Step 3: Cross multiply
    156,904.35x = 235,356.53 × 109,665.15
  4. Step 4: Simplify right side
    156,904.35x = 25,810,408,617.60
  5. Step 5: Solve for x
    x = 25,810,408,617.60/156,904.35
  6. Step 6: Final answer
    x = 164,497.73

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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.