Home / 212,110.38-292,670.36-118,979.11

Finding the Fourth Proportional to 212,110.38, 292,670.36 and 118,979.11

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Solution

The fourth proportional to 212,110.38, 292,670.36 and 118,979.11 is: 164,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,110.38 : 292,670.36 = 118,979.11 : x
  2. Step 2: Convert to fraction form
    212,110.38/292,670.36 = 118,979.11/x
  3. Step 3: Cross multiply
    212,110.38x = 292,670.36 × 118,979.11
  4. Step 4: Simplify right side
    212,110.38x = 34,821,658,838.66
  5. Step 5: Solve for x
    x = 34,821,658,838.66/212,110.38
  6. Step 6: Final answer
    x = 164,167.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.