Home / 480,845.10-721,233.54-165,295.02

Finding the Fourth Proportional to 480,845.10, 721,233.54 and 165,295.02

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Solution

The fourth proportional to 480,845.10, 721,233.54 and 165,295.02 is: 247,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,845.10 : 721,233.54 = 165,295.02 : x
  2. Step 2: Convert to fraction form
    480,845.10/721,233.54 = 165,295.02/x
  3. Step 3: Cross multiply
    480,845.10x = 721,233.54 × 165,295.02
  4. Step 4: Simplify right side
    480,845.10x = 119,216,312,418.97
  5. Step 5: Solve for x
    x = 119,216,312,418.97/480,845.10
  6. Step 6: Final answer
    x = 247,930.80

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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.