Home / 292,020.18-438,033.78-114,610.74

Finding the Fourth Proportional to 292,020.18, 438,033.78 and 114,610.74

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Solution

The fourth proportional to 292,020.18, 438,033.78 and 114,610.74 is: 171,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,020.18 : 438,033.78 = 114,610.74 : x
  2. Step 2: Convert to fraction form
    292,020.18/438,033.78 = 114,610.74/x
  3. Step 3: Cross multiply
    292,020.18x = 438,033.78 × 114,610.74
  4. Step 4: Simplify right side
    292,020.18x = 50,203,375,670.80
  5. Step 5: Solve for x
    x = 50,203,375,670.80/292,020.18
  6. Step 6: Final answer
    x = 171,917.49

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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.