Home / 292,650.47-438,774.01-115,177.85

Finding the Fourth Proportional to 292,650.47, 438,774.01 and 115,177.85

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Solution

The fourth proportional to 292,650.47, 438,774.01 and 115,177.85 is: 172,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,650.47 : 438,774.01 = 115,177.85 : x
  2. Step 2: Convert to fraction form
    292,650.47/438,774.01 = 115,177.85/x
  3. Step 3: Cross multiply
    292,650.47x = 438,774.01 × 115,177.85
  4. Step 4: Simplify right side
    292,650.47x = 50,537,046,919.14
  5. Step 5: Solve for x
    x = 50,537,046,919.14/292,650.47
  6. Step 6: Final answer
    x = 172,687.39

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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.