Home / 156,933.53-235,458.62-72,734.03

Finding the Fourth Proportional to 156,933.53, 235,458.62 and 72,734.03

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Solution

The fourth proportional to 156,933.53, 235,458.62 and 72,734.03 is: 109,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.53 : 235,458.62 = 72,734.03 : x
  2. Step 2: Convert to fraction form
    156,933.53/235,458.62 = 72,734.03/x
  3. Step 3: Cross multiply
    156,933.53x = 235,458.62 × 72,734.03
  4. Step 4: Simplify right side
    156,933.53x = 17,125,854,330.84
  5. Step 5: Solve for x
    x = 17,125,854,330.84/156,933.53
  6. Step 6: Final answer
    x = 109,128.08

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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.