Home / 320,192.19-480,288.29-225,031.23

Finding the Fourth Proportional to 320,192.19, 480,288.29 and 225,031.23

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Solution

The fourth proportional to 320,192.19, 480,288.29 and 225,031.23 is: 337,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,192.19 : 480,288.29 = 225,031.23 : x
  2. Step 2: Convert to fraction form
    320,192.19/480,288.29 = 225,031.23/x
  3. Step 3: Cross multiply
    320,192.19x = 480,288.29 × 225,031.23
  4. Step 4: Simplify right side
    320,192.19x = 108,079,863,528.14
  5. Step 5: Solve for x
    x = 108,079,863,528.14/320,192.19
  6. Step 6: Final answer
    x = 337,546.85

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1.5x scale

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.