Home / 177,602-266,485.68-77,749.04

Finding the Fourth Proportional to 177,602, 266,485.68 and 77,749.04

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Solution

The fourth proportional to 177,602, 266,485.68 and 77,749.04 is: 116,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,602 : 266,485.68 = 77,749.04 : x
  2. Step 2: Convert to fraction form
    177,602/266,485.68 = 77,749.04/x
  3. Step 3: Cross multiply
    177,602x = 266,485.68 × 77,749.04
  4. Step 4: Simplify right side
    177,602x = 20,719,005,793.75
  5. Step 5: Solve for x
    x = 20,719,005,793.75/177,602
  6. Step 6: Final answer
    x = 116,659.75

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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.