Home / 212,161.91-292,785.50-116,669.25

Finding the Fourth Proportional to 212,161.91, 292,785.50 and 116,669.25

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Solution

The fourth proportional to 212,161.91, 292,785.50 and 116,669.25 is: 161,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,161.91 : 292,785.50 = 116,669.25 : x
  2. Step 2: Convert to fraction form
    212,161.91/292,785.50 = 116,669.25/x
  3. Step 3: Cross multiply
    212,161.91x = 292,785.50 × 116,669.25
  4. Step 4: Simplify right side
    212,161.91x = 34,159,064,987.55
  5. Step 5: Solve for x
    x = 34,159,064,987.55/212,161.91
  6. Step 6: Final answer
    x = 161,004.71

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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.