Home / 330,031.48-455,431.26-179,125.24

Finding the Fourth Proportional to 330,031.48, 455,431.26 and 179,125.24

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Solution

The fourth proportional to 330,031.48, 455,431.26 and 179,125.24 is: 247,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,031.48 : 455,431.26 = 179,125.24 : x
  2. Step 2: Convert to fraction form
    330,031.48/455,431.26 = 179,125.24/x
  3. Step 3: Cross multiply
    330,031.48x = 455,431.26 × 179,125.24
  4. Step 4: Simplify right side
    330,031.48x = 81,579,233,751.00
  5. Step 5: Solve for x
    x = 81,579,233,751.00/330,031.48
  6. Step 6: Final answer
    x = 247,186.22

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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.