Home / 104,163.23-156,184.71-91,708.27

Finding the Fourth Proportional to 104,163.23, 156,184.71 and 91,708.27

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Solution

The fourth proportional to 104,163.23, 156,184.71 and 91,708.27 is: 137,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,163.23 : 156,184.71 = 91,708.27 : x
  2. Step 2: Convert to fraction form
    104,163.23/156,184.71 = 91,708.27/x
  3. Step 3: Cross multiply
    104,163.23x = 156,184.71 × 91,708.27
  4. Step 4: Simplify right side
    104,163.23x = 14,323,428,820.18
  5. Step 5: Solve for x
    x = 14,323,428,820.18/104,163.23
  6. Step 6: Final answer
    x = 137,509.45

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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.