Home / 212,324.48-292,974.32-121,663.01

Finding the Fourth Proportional to 212,324.48, 292,974.32 and 121,663.01

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Solution

The fourth proportional to 212,324.48, 292,974.32 and 121,663.01 is: 167,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,324.48 : 292,974.32 = 121,663.01 : x
  2. Step 2: Convert to fraction form
    212,324.48/292,974.32 = 121,663.01/x
  3. Step 3: Cross multiply
    212,324.48x = 292,974.32 × 121,663.01
  4. Step 4: Simplify right side
    212,324.48x = 35,644,135,550.72
  5. Step 5: Solve for x
    x = 35,644,135,550.72/212,324.48
  6. Step 6: Final answer
    x = 167,875.77

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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.