Home / 292,002.90-438,004.35-171,936.60

Finding the Fourth Proportional to 292,002.90, 438,004.35 and 171,936.60

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Solution

The fourth proportional to 292,002.90, 438,004.35 and 171,936.60 is: 257,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,002.90 : 438,004.35 = 171,936.60 : x
  2. Step 2: Convert to fraction form
    292,002.90/438,004.35 = 171,936.60/x
  3. Step 3: Cross multiply
    292,002.90x = 438,004.35 × 171,936.60
  4. Step 4: Simplify right side
    292,002.90x = 75,308,978,724.21
  5. Step 5: Solve for x
    x = 75,308,978,724.21/292,002.90
  6. Step 6: Final answer
    x = 257,904.90

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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.