Home / 187,730.08-259,148.64-112,264

Finding the Fourth Proportional to 187,730.08, 259,148.64 and 112,264

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Solution

The fourth proportional to 187,730.08, 259,148.64 and 112,264 is: 154,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,730.08 : 259,148.64 = 112,264 : x
  2. Step 2: Convert to fraction form
    187,730.08/259,148.64 = 112,264/x
  3. Step 3: Cross multiply
    187,730.08x = 259,148.64 × 112,264
  4. Step 4: Simplify right side
    187,730.08x = 29,093,062,920.96
  5. Step 5: Solve for x
    x = 29,093,062,920.96/187,730.08
  6. Step 6: Final answer
    x = 154,972.84

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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.