Home / 145,517.06-200,841.10-91,094.56

Finding the Fourth Proportional to 145,517.06, 200,841.10 and 91,094.56

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Solution

The fourth proportional to 145,517.06, 200,841.10 and 91,094.56 is: 125,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,517.06 : 200,841.10 = 91,094.56 : x
  2. Step 2: Convert to fraction form
    145,517.06/200,841.10 = 91,094.56/x
  3. Step 3: Cross multiply
    145,517.06x = 200,841.10 × 91,094.56
  4. Step 4: Simplify right side
    145,517.06x = 18,295,531,634.42
  5. Step 5: Solve for x
    x = 18,295,531,634.42/145,517.06
  6. Step 6: Final answer
    x = 125,727.74

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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.