Home / 167,572.08-251,216.73-72,730.80

Finding the Fourth Proportional to 167,572.08, 251,216.73 and 72,730.80

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Solution

The fourth proportional to 167,572.08, 251,216.73 and 72,730.80 is: 109,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,572.08 : 251,216.73 = 72,730.80 : x
  2. Step 2: Convert to fraction form
    167,572.08/251,216.73 = 72,730.80/x
  3. Step 3: Cross multiply
    167,572.08x = 251,216.73 × 72,730.80
  4. Step 4: Simplify right side
    167,572.08x = 18,271,193,746.28
  5. Step 5: Solve for x
    x = 18,271,193,746.28/167,572.08
  6. Step 6: Final answer
    x = 109,034.83

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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.