Home / 210,566.52-290,556.34-119,922.68

Finding the Fourth Proportional to 210,566.52, 290,556.34 and 119,922.68

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Solution

The fourth proportional to 210,566.52, 290,556.34 and 119,922.68 is: 165,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,566.52 : 290,556.34 = 119,922.68 : x
  2. Step 2: Convert to fraction form
    210,566.52/290,556.34 = 119,922.68/x
  3. Step 3: Cross multiply
    210,566.52x = 290,556.34 × 119,922.68
  4. Step 4: Simplify right side
    210,566.52x = 34,844,294,983.79
  5. Step 5: Solve for x
    x = 34,844,294,983.79/210,566.52
  6. Step 6: Final answer
    x = 165,478.80

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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.