Home / 115,651.93-159,511.60-99,546.64

Finding the Fourth Proportional to 115,651.93, 159,511.60 and 99,546.64

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Solution

The fourth proportional to 115,651.93, 159,511.60 and 99,546.64 is: 137,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,651.93 : 159,511.60 = 99,546.64 : x
  2. Step 2: Convert to fraction form
    115,651.93/159,511.60 = 99,546.64/x
  3. Step 3: Cross multiply
    115,651.93x = 159,511.60 × 99,546.64
  4. Step 4: Simplify right side
    115,651.93x = 15,878,843,821.02
  5. Step 5: Solve for x
    x = 15,878,843,821.02/115,651.93
  6. Step 6: Final answer
    x = 137,298.56

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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.