Home / 237,685.36-328,005.79-130,257.87

Finding the Fourth Proportional to 237,685.36, 328,005.79 and 130,257.87

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Solution

The fourth proportional to 237,685.36, 328,005.79 and 130,257.87 is: 179,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,685.36 : 328,005.79 = 130,257.87 : x
  2. Step 2: Convert to fraction form
    237,685.36/328,005.79 = 130,257.87/x
  3. Step 3: Cross multiply
    237,685.36x = 328,005.79 × 130,257.87
  4. Step 4: Simplify right side
    237,685.36x = 42,725,333,913.04
  5. Step 5: Solve for x
    x = 42,725,333,913.04/237,685.36
  6. Step 6: Final answer
    x = 179,755.85

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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.