Home / 134,176.50-185,163.93-74,560.50

Finding the Fourth Proportional to 134,176.50, 185,163.93 and 74,560.50

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Solution

The fourth proportional to 134,176.50, 185,163.93 and 74,560.50 is: 102,893.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,176.50 : 185,163.93 = 74,560.50 : x
  2. Step 2: Convert to fraction form
    134,176.50/185,163.93 = 74,560.50/x
  3. Step 3: Cross multiply
    134,176.50x = 185,163.93 × 74,560.50
  4. Step 4: Simplify right side
    134,176.50x = 13,805,915,202.77
  5. Step 5: Solve for x
    x = 13,805,915,202.77/134,176.50
  6. Step 6: Final answer
    x = 102,893.69

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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.