Home / 156,976.60-235,464.90-109,737.40

Finding the Fourth Proportional to 156,976.60, 235,464.90 and 109,737.40

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Solution

The fourth proportional to 156,976.60, 235,464.90 and 109,737.40 is: 164,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,976.60 : 235,464.90 = 109,737.40 : x
  2. Step 2: Convert to fraction form
    156,976.60/235,464.90 = 109,737.40/x
  3. Step 3: Cross multiply
    156,976.60x = 235,464.90 × 109,737.40
  4. Step 4: Simplify right side
    156,976.60x = 25,839,305,917.26
  5. Step 5: Solve for x
    x = 25,839,305,917.26/156,976.60
  6. Step 6: Final answer
    x = 164,606.10

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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.