Home / 218,326.22-301,274.06-122,814.54

Finding the Fourth Proportional to 218,326.22, 301,274.06 and 122,814.54

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Solution

The fourth proportional to 218,326.22, 301,274.06 and 122,814.54 is: 169,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,326.22 : 301,274.06 = 122,814.54 : x
  2. Step 2: Convert to fraction form
    218,326.22/301,274.06 = 122,814.54/x
  3. Step 3: Cross multiply
    218,326.22x = 301,274.06 × 122,814.54
  4. Step 4: Simplify right side
    218,326.22x = 37,000,835,092.83
  5. Step 5: Solve for x
    x = 37,000,835,092.83/218,326.22
  6. Step 6: Final answer
    x = 169,475.00

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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.