Home / 165,427.16-248,142.20-47,098.40

Finding the Fourth Proportional to 165,427.16, 248,142.20 and 47,098.40

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Solution

The fourth proportional to 165,427.16, 248,142.20 and 47,098.40 is: 70,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,427.16 : 248,142.20 = 47,098.40 : x
  2. Step 2: Convert to fraction form
    165,427.16/248,142.20 = 47,098.40/x
  3. Step 3: Cross multiply
    165,427.16x = 248,142.20 × 47,098.40
  4. Step 4: Simplify right side
    165,427.16x = 11,687,100,592.48
  5. Step 5: Solve for x
    x = 11,687,100,592.48/165,427.16
  6. Step 6: Final answer
    x = 70,648.02

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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.