Home / 118,869.84-178,275.60-48,769.20

Finding the Fourth Proportional to 118,869.84, 178,275.60 and 48,769.20

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Solution

The fourth proportional to 118,869.84, 178,275.60 and 48,769.20 is: 73,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,869.84 : 178,275.60 = 48,769.20 : x
  2. Step 2: Convert to fraction form
    118,869.84/178,275.60 = 48,769.20/x
  3. Step 3: Cross multiply
    118,869.84x = 178,275.60 × 48,769.20
  4. Step 4: Simplify right side
    118,869.84x = 8,694,358,391.52
  5. Step 5: Solve for x
    x = 8,694,358,391.52/118,869.84
  6. Step 6: Final answer
    x = 73,141.84

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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.