Home / 208,747.94-288,068.54-127,046.61

Finding the Fourth Proportional to 208,747.94, 288,068.54 and 127,046.61

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Solution

The fourth proportional to 208,747.94, 288,068.54 and 127,046.61 is: 175,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,747.94 : 288,068.54 = 127,046.61 : x
  2. Step 2: Convert to fraction form
    208,747.94/288,068.54 = 127,046.61/x
  3. Step 3: Cross multiply
    208,747.94x = 288,068.54 × 127,046.61
  4. Step 4: Simplify right side
    208,747.94x = 36,598,130,819.42
  5. Step 5: Solve for x
    x = 36,598,130,819.42/208,747.94
  6. Step 6: Final answer
    x = 175,322.12

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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.