Home / 118,846.04-178,148.92-74,503.88

Finding the Fourth Proportional to 118,846.04, 178,148.92 and 74,503.88

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Solution

The fourth proportional to 118,846.04, 178,148.92 and 74,503.88 is: 111,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,846.04 : 178,148.92 = 74,503.88 : x
  2. Step 2: Convert to fraction form
    118,846.04/178,148.92 = 74,503.88/x
  3. Step 3: Cross multiply
    118,846.04x = 178,148.92 × 74,503.88
  4. Step 4: Simplify right side
    118,846.04x = 13,272,785,757.81
  5. Step 5: Solve for x
    x = 13,272,785,757.81/118,846.04
  6. Step 6: Final answer
    x = 111,680.50

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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.