Home / 177,741.84-266,612.72-71,173.76

Finding the Fourth Proportional to 177,741.84, 266,612.72 and 71,173.76

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Solution

The fourth proportional to 177,741.84, 266,612.72 and 71,173.76 is: 106,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,741.84 : 266,612.72 = 71,173.76 : x
  2. Step 2: Convert to fraction form
    177,741.84/266,612.72 = 71,173.76/x
  3. Step 3: Cross multiply
    177,741.84x = 266,612.72 × 71,173.76
  4. Step 4: Simplify right side
    177,741.84x = 18,975,829,746.23
  5. Step 5: Solve for x
    x = 18,975,829,746.23/177,741.84
  6. Step 6: Final answer
    x = 106,760.62

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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.