Home / 177,385.64-265,847.43-72,081.50

Finding the Fourth Proportional to 177,385.64, 265,847.43 and 72,081.50

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Solution

The fourth proportional to 177,385.64, 265,847.43 and 72,081.50 is: 108,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,385.64 : 265,847.43 = 72,081.50 : x
  2. Step 2: Convert to fraction form
    177,385.64/265,847.43 = 72,081.50/x
  3. Step 3: Cross multiply
    177,385.64x = 265,847.43 × 72,081.50
  4. Step 4: Simplify right side
    177,385.64x = 19,162,681,525.55
  5. Step 5: Solve for x
    x = 19,162,681,525.55/177,385.64
  6. Step 6: Final answer
    x = 108,028.37

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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.