Home / 156,937.56-235,091.16-72,579.48

Finding the Fourth Proportional to 156,937.56, 235,091.16 and 72,579.48

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Solution

The fourth proportional to 156,937.56, 235,091.16 and 72,579.48 is: 108,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,937.56 : 235,091.16 = 72,579.48 : x
  2. Step 2: Convert to fraction form
    156,937.56/235,091.16 = 72,579.48/x
  3. Step 3: Cross multiply
    156,937.56x = 235,091.16 × 72,579.48
  4. Step 4: Simplify right side
    156,937.56x = 17,062,794,145.40
  5. Step 5: Solve for x
    x = 17,062,794,145.40/156,937.56
  6. Step 6: Final answer
    x = 108,723.46

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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.