Home / 168,071.10-231,946.76-92,619.60

Finding the Fourth Proportional to 168,071.10, 231,946.76 and 92,619.60

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Solution

The fourth proportional to 168,071.10, 231,946.76 and 92,619.60 is: 127,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,071.10 : 231,946.76 = 92,619.60 : x
  2. Step 2: Convert to fraction form
    168,071.10/231,946.76 = 92,619.60/x
  3. Step 3: Cross multiply
    168,071.10x = 231,946.76 × 92,619.60
  4. Step 4: Simplify right side
    168,071.10x = 21,482,816,132.50
  5. Step 5: Solve for x
    x = 21,482,816,132.50/168,071.10
  6. Step 6: Final answer
    x = 127,819.81

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1.5x scale

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.