Home / 193,852.78-291,012.45-115,470.70

Finding the Fourth Proportional to 193,852.78, 291,012.45 and 115,470.70

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Solution

The fourth proportional to 193,852.78, 291,012.45 and 115,470.70 is: 173,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,852.78 : 291,012.45 = 115,470.70 : x
  2. Step 2: Convert to fraction form
    193,852.78/291,012.45 = 115,470.70/x
  3. Step 3: Cross multiply
    193,852.78x = 291,012.45 × 115,470.70
  4. Step 4: Simplify right side
    193,852.78x = 33,603,411,310.22
  5. Step 5: Solve for x
    x = 33,603,411,310.22/193,852.78
  6. Step 6: Final answer
    x = 173,345.01

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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.