Home / 238,198.61-328,730.04-157,487.37

Finding the Fourth Proportional to 238,198.61, 328,730.04 and 157,487.37

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Solution

The fourth proportional to 238,198.61, 328,730.04 and 157,487.37 is: 217,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,198.61 : 328,730.04 = 157,487.37 : x
  2. Step 2: Convert to fraction form
    238,198.61/328,730.04 = 157,487.37/x
  3. Step 3: Cross multiply
    238,198.61x = 328,730.04 × 157,487.37
  4. Step 4: Simplify right side
    238,198.61x = 51,770,829,439.59
  5. Step 5: Solve for x
    x = 51,770,829,439.59/238,198.61
  6. Step 6: Final answer
    x = 217,343.13

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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.