Home / 156,592.36-235,011.66-72,391.24

Finding the Fourth Proportional to 156,592.36, 235,011.66 and 72,391.24

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Solution

The fourth proportional to 156,592.36, 235,011.66 and 72,391.24 is: 108,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,592.36 : 235,011.66 = 72,391.24 : x
  2. Step 2: Convert to fraction form
    156,592.36/235,011.66 = 72,391.24/x
  3. Step 3: Cross multiply
    156,592.36x = 235,011.66 × 72,391.24
  4. Step 4: Simplify right side
    156,592.36x = 17,012,785,481.86
  5. Step 5: Solve for x
    x = 17,012,785,481.86/156,592.36
  6. Step 6: Final answer
    x = 108,643.78

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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.