Home / 156,795.24-235,157.42-72,509.25

Finding the Fourth Proportional to 156,795.24, 235,157.42 and 72,509.25

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Solution

The fourth proportional to 156,795.24, 235,157.42 and 72,509.25 is: 108,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,795.24 : 235,157.42 = 72,509.25 : x
  2. Step 2: Convert to fraction form
    156,795.24/235,157.42 = 72,509.25/x
  3. Step 3: Cross multiply
    156,795.24x = 235,157.42 × 72,509.25
  4. Step 4: Simplify right side
    156,795.24x = 17,051,086,617.80
  5. Step 5: Solve for x
    x = 17,051,086,617.80/156,795.24
  6. Step 6: Final answer
    x = 108,747.48

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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.