Home / 100,655.66-151,005.27-30,540.26

Finding the Fourth Proportional to 100,655.66, 151,005.27 and 30,540.26

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Solution

The fourth proportional to 100,655.66, 151,005.27 and 30,540.26 is: 45,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,655.66 : 151,005.27 = 30,540.26 : x
  2. Step 2: Convert to fraction form
    100,655.66/151,005.27 = 30,540.26/x
  3. Step 3: Cross multiply
    100,655.66x = 151,005.27 × 30,540.26
  4. Step 4: Simplify right side
    100,655.66x = 4,611,740,207.17
  5. Step 5: Solve for x
    x = 4,611,740,207.17/100,655.66
  6. Step 6: Final answer
    x = 45,817.00

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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.