Home / 218,556.28-301,582.74-123,060.52

Finding the Fourth Proportional to 218,556.28, 301,582.74 and 123,060.52

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Solution

The fourth proportional to 218,556.28, 301,582.74 and 123,060.52 is: 169,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,556.28 : 301,582.74 = 123,060.52 : x
  2. Step 2: Convert to fraction form
    218,556.28/301,582.74 = 123,060.52/x
  3. Step 3: Cross multiply
    218,556.28x = 301,582.74 × 123,060.52
  4. Step 4: Simplify right side
    218,556.28x = 37,112,928,807.42
  5. Step 5: Solve for x
    x = 37,112,928,807.42/218,556.28
  6. Step 6: Final answer
    x = 169,809.48

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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.