Home / 119,905.74-179,838.45-43,988.58

Finding the Fourth Proportional to 119,905.74, 179,838.45 and 43,988.58

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Solution

The fourth proportional to 119,905.74, 179,838.45 and 43,988.58 is: 65,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,905.74 : 179,838.45 = 43,988.58 : x
  2. Step 2: Convert to fraction form
    119,905.74/179,838.45 = 43,988.58/x
  3. Step 3: Cross multiply
    119,905.74x = 179,838.45 × 43,988.58
  4. Step 4: Simplify right side
    119,905.74x = 7,910,838,044.90
  5. Step 5: Solve for x
    x = 7,910,838,044.90/119,905.74
  6. Step 6: Final answer
    x = 65,975.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.