Home / 156,815.36-235,187.57-72,529.27

Finding the Fourth Proportional to 156,815.36, 235,187.57 and 72,529.27

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Solution

The fourth proportional to 156,815.36, 235,187.57 and 72,529.27 is: 108,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,815.36 : 235,187.57 = 72,529.27 : x
  2. Step 2: Convert to fraction form
    156,815.36/235,187.57 = 72,529.27/x
  3. Step 3: Cross multiply
    156,815.36x = 235,187.57 × 72,529.27
  4. Step 4: Simplify right side
    156,815.36x = 17,057,982,765.17
  5. Step 5: Solve for x
    x = 17,057,982,765.17/156,815.36
  6. Step 6: Final answer
    x = 108,777.50

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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.