Home / 185,026.72-255,349.20-104,425.60

Finding the Fourth Proportional to 185,026.72, 255,349.20 and 104,425.60

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Solution

The fourth proportional to 185,026.72, 255,349.20 and 104,425.60 is: 144,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,026.72 : 255,349.20 = 104,425.60 : x
  2. Step 2: Convert to fraction form
    185,026.72/255,349.20 = 104,425.60/x
  3. Step 3: Cross multiply
    185,026.72x = 255,349.20 × 104,425.60
  4. Step 4: Simplify right side
    185,026.72x = 26,664,993,419.52
  5. Step 5: Solve for x
    x = 26,664,993,419.52/185,026.72
  6. Step 6: Final answer
    x = 144,114.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.