Home / 158,897.17-219,313.04-109,907.69

Finding the Fourth Proportional to 158,897.17, 219,313.04 and 109,907.69

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Solution

The fourth proportional to 158,897.17, 219,313.04 and 109,907.69 is: 151,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,897.17 : 219,313.04 = 109,907.69 : x
  2. Step 2: Convert to fraction form
    158,897.17/219,313.04 = 109,907.69/x
  3. Step 3: Cross multiply
    158,897.17x = 219,313.04 × 109,907.69
  4. Step 4: Simplify right side
    158,897.17x = 24,104,188,894.52
  5. Step 5: Solve for x
    x = 24,104,188,894.52/158,897.17
  6. Step 6: Final answer
    x = 151,696.78

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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.