Home / 177,266.24-265,949.76-72,160.64

Finding the Fourth Proportional to 177,266.24, 265,949.76 and 72,160.64

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Solution

The fourth proportional to 177,266.24, 265,949.76 and 72,160.64 is: 108,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,266.24 : 265,949.76 = 72,160.64 : x
  2. Step 2: Convert to fraction form
    177,266.24/265,949.76 = 72,160.64/x
  3. Step 3: Cross multiply
    177,266.24x = 265,949.76 × 72,160.64
  4. Step 4: Simplify right side
    177,266.24x = 19,191,104,889.45
  5. Step 5: Solve for x
    x = 19,191,104,889.45/177,266.24
  6. Step 6: Final answer
    x = 108,261.48

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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.