Home / 237,730.32-328,067.88-130,300.80

Finding the Fourth Proportional to 237,730.32, 328,067.88 and 130,300.80

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Solution

The fourth proportional to 237,730.32, 328,067.88 and 130,300.80 is: 179,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,730.32 : 328,067.88 = 130,300.80 : x
  2. Step 2: Convert to fraction form
    237,730.32/328,067.88 = 130,300.80/x
  3. Step 3: Cross multiply
    237,730.32x = 328,067.88 × 130,300.80
  4. Step 4: Simplify right side
    237,730.32x = 42,747,507,218.30
  5. Step 5: Solve for x
    x = 42,747,507,218.30/237,730.32
  6. Step 6: Final answer
    x = 179,815.13

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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.