Home / 279,905.54-386,031.93-236,510.69

Finding the Fourth Proportional to 279,905.54, 386,031.93 and 236,510.69

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Solution

The fourth proportional to 279,905.54, 386,031.93 and 236,510.69 is: 326,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,905.54 : 386,031.93 = 236,510.69 : x
  2. Step 2: Convert to fraction form
    279,905.54/386,031.93 = 236,510.69/x
  3. Step 3: Cross multiply
    279,905.54x = 386,031.93 × 236,510.69
  4. Step 4: Simplify right side
    279,905.54x = 91,300,678,126.33
  5. Step 5: Solve for x
    x = 91,300,678,126.33/279,905.54
  6. Step 6: Final answer
    x = 326,183.89

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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.