Home / 330,031.62-455,429.86-186,799.59

Finding the Fourth Proportional to 330,031.62, 455,429.86 and 186,799.59

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Solution

The fourth proportional to 330,031.62, 455,429.86 and 186,799.59 is: 257,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,031.62 : 455,429.86 = 186,799.59 : x
  2. Step 2: Convert to fraction form
    330,031.62/455,429.86 = 186,799.59/x
  3. Step 3: Cross multiply
    330,031.62x = 455,429.86 × 186,799.59
  4. Step 4: Simplify right side
    330,031.62x = 85,074,110,654.76
  5. Step 5: Solve for x
    x = 85,074,110,654.76/330,031.62
  6. Step 6: Final answer
    x = 257,775.64

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1.5x scale

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.