Home / 175,067.20-262,382.10-128,265.40

Finding the Fourth Proportional to 175,067.20, 262,382.10 and 128,265.40

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Solution

The fourth proportional to 175,067.20, 262,382.10 and 128,265.40 is: 192,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,067.20 : 262,382.10 = 128,265.40 : x
  2. Step 2: Convert to fraction form
    175,067.20/262,382.10 = 128,265.40/x
  3. Step 3: Cross multiply
    175,067.20x = 262,382.10 × 128,265.40
  4. Step 4: Simplify right side
    175,067.20x = 33,654,545,009.34
  5. Step 5: Solve for x
    x = 33,654,545,009.34/175,067.20
  6. Step 6: Final answer
    x = 192,237.87

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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.