Home / 175,665.13-263,458.28-80,804.21

Finding the Fourth Proportional to 175,665.13, 263,458.28 and 80,804.21

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Solution

The fourth proportional to 175,665.13, 263,458.28 and 80,804.21 is: 121,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,665.13 : 263,458.28 = 80,804.21 : x
  2. Step 2: Convert to fraction form
    175,665.13/263,458.28 = 80,804.21/x
  3. Step 3: Cross multiply
    175,665.13x = 263,458.28 × 80,804.21
  4. Step 4: Simplify right side
    175,665.13x = 21,288,537,779.34
  5. Step 5: Solve for x
    x = 21,288,537,779.34/175,665.13
  6. Step 6: Final answer
    x = 121,188.19

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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.