Home / 156,961.30-235,441.95-109,722.10

Finding the Fourth Proportional to 156,961.30, 235,441.95 and 109,722.10

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Solution

The fourth proportional to 156,961.30, 235,441.95 and 109,722.10 is: 164,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.30 : 235,441.95 = 109,722.10 : x
  2. Step 2: Convert to fraction form
    156,961.30/235,441.95 = 109,722.10/x
  3. Step 3: Cross multiply
    156,961.30x = 235,441.95 × 109,722.10
  4. Step 4: Simplify right side
    156,961.30x = 25,833,185,182.10
  5. Step 5: Solve for x
    x = 25,833,185,182.10/156,961.30
  6. Step 6: Final answer
    x = 164,583.15

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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.