Home / 295,339.45-442,987.75-115,391.04

Finding the Fourth Proportional to 295,339.45, 442,987.75 and 115,391.04

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Solution

The fourth proportional to 295,339.45, 442,987.75 and 115,391.04 is: 173,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,339.45 : 442,987.75 = 115,391.04 : x
  2. Step 2: Convert to fraction form
    295,339.45/442,987.75 = 115,391.04/x
  3. Step 3: Cross multiply
    295,339.45x = 442,987.75 × 115,391.04
  4. Step 4: Simplify right side
    295,339.45x = 51,116,817,179.76
  5. Step 5: Solve for x
    x = 51,116,817,179.76/295,339.45
  6. Step 6: Final answer
    x = 173,078.19

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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.