Home / 118,346.02-163,338.60-69,945.97

Finding the Fourth Proportional to 118,346.02, 163,338.60 and 69,945.97

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Solution

The fourth proportional to 118,346.02, 163,338.60 and 69,945.97 is: 96,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346.02 : 163,338.60 = 69,945.97 : x
  2. Step 2: Convert to fraction form
    118,346.02/163,338.60 = 69,945.97/x
  3. Step 3: Cross multiply
    118,346.02x = 163,338.60 × 69,945.97
  4. Step 4: Simplify right side
    118,346.02x = 11,424,876,815.44
  5. Step 5: Solve for x
    x = 11,424,876,815.44/118,346.02
  6. Step 6: Final answer
    x = 96,537.90

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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.