Home / 177,184.78-265,777.18-72,011.96

Finding the Fourth Proportional to 177,184.78, 265,777.18 and 72,011.96

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Solution

The fourth proportional to 177,184.78, 265,777.18 and 72,011.96 is: 108,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,184.78 : 265,777.18 = 72,011.96 : x
  2. Step 2: Convert to fraction form
    177,184.78/265,777.18 = 72,011.96/x
  3. Step 3: Cross multiply
    177,184.78x = 265,777.18 × 72,011.96
  4. Step 4: Simplify right side
    177,184.78x = 19,139,135,655.07
  5. Step 5: Solve for x
    x = 19,139,135,655.07/177,184.78
  6. Step 6: Final answer
    x = 108,017.94

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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.