Home / 156,628.55-234,951.02-72,467.32

Finding the Fourth Proportional to 156,628.55, 234,951.02 and 72,467.32

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Solution

The fourth proportional to 156,628.55, 234,951.02 and 72,467.32 is: 108,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628.55 : 234,951.02 = 72,467.32 : x
  2. Step 2: Convert to fraction form
    156,628.55/234,951.02 = 72,467.32/x
  3. Step 3: Cross multiply
    156,628.55x = 234,951.02 × 72,467.32
  4. Step 4: Simplify right side
    156,628.55x = 17,026,270,750.67
  5. Step 5: Solve for x
    x = 17,026,270,750.67/156,628.55
  6. Step 6: Final answer
    x = 108,704.77

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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.