Home / 253,685.04-380,451.63-159,059.01

Finding the Fourth Proportional to 253,685.04, 380,451.63 and 159,059.01

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Solution

The fourth proportional to 253,685.04, 380,451.63 and 159,059.01 is: 238,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,685.04 : 380,451.63 = 159,059.01 : x
  2. Step 2: Convert to fraction form
    253,685.04/380,451.63 = 159,059.01/x
  3. Step 3: Cross multiply
    253,685.04x = 380,451.63 × 159,059.01
  4. Step 4: Simplify right side
    253,685.04x = 60,514,259,620.69
  5. Step 5: Solve for x
    x = 60,514,259,620.69/253,685.04
  6. Step 6: Final answer
    x = 238,540.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.