Home / 208,822.39-288,133.22-127,095.90

Finding the Fourth Proportional to 208,822.39, 288,133.22 and 127,095.90

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Solution

The fourth proportional to 208,822.39, 288,133.22 and 127,095.90 is: 175,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,822.39 : 288,133.22 = 127,095.90 : x
  2. Step 2: Convert to fraction form
    208,822.39/288,133.22 = 127,095.90/x
  3. Step 3: Cross multiply
    208,822.39x = 288,133.22 × 127,095.90
  4. Step 4: Simplify right side
    208,822.39x = 36,620,551,058.87
  5. Step 5: Solve for x
    x = 36,620,551,058.87/208,822.39
  6. Step 6: Final answer
    x = 175,366.97

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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.