Home / 185,838.57-278,336.25-118,370.97

Finding the Fourth Proportional to 185,838.57, 278,336.25 and 118,370.97

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Solution

The fourth proportional to 185,838.57, 278,336.25 and 118,370.97 is: 177,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,838.57 : 278,336.25 = 118,370.97 : x
  2. Step 2: Convert to fraction form
    185,838.57/278,336.25 = 118,370.97/x
  3. Step 3: Cross multiply
    185,838.57x = 278,336.25 × 118,370.97
  4. Step 4: Simplify right side
    185,838.57x = 32,946,931,898.66
  5. Step 5: Solve for x
    x = 32,946,931,898.66/185,838.57
  6. Step 6: Final answer
    x = 177,287.91

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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.