Home / 279,904.91-386,031.08-236,510.07

Finding the Fourth Proportional to 279,904.91, 386,031.08 and 236,510.07

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Solution

The fourth proportional to 279,904.91, 386,031.08 and 236,510.07 is: 326,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,904.91 : 386,031.08 = 236,510.07 : x
  2. Step 2: Convert to fraction form
    279,904.91/386,031.08 = 236,510.07/x
  3. Step 3: Cross multiply
    279,904.91x = 386,031.08 × 236,510.07
  4. Step 4: Simplify right side
    279,904.91x = 91,300,237,752.98
  5. Step 5: Solve for x
    x = 91,300,237,752.98/279,904.91
  6. Step 6: Final answer
    x = 326,183.05

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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.