Home / 177,720.44-266,580.59-71,152.34

Finding the Fourth Proportional to 177,720.44, 266,580.59 and 71,152.34

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Solution

The fourth proportional to 177,720.44, 266,580.59 and 71,152.34 is: 106,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,720.44 : 266,580.59 = 71,152.34 : x
  2. Step 2: Convert to fraction form
    177,720.44/266,580.59 = 71,152.34/x
  3. Step 3: Cross multiply
    177,720.44x = 266,580.59 × 71,152.34
  4. Step 4: Simplify right side
    177,720.44x = 18,967,831,088.42
  5. Step 5: Solve for x
    x = 18,967,831,088.42/177,720.44
  6. Step 6: Final answer
    x = 106,728.48

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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.