Home / 157,734.40-236,601.60-155,142.40

Finding the Fourth Proportional to 157,734.40, 236,601.60 and 155,142.40

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Solution

The fourth proportional to 157,734.40, 236,601.60 and 155,142.40 is: 232,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,734.40 : 236,601.60 = 155,142.40 : x
  2. Step 2: Convert to fraction form
    157,734.40/236,601.60 = 155,142.40/x
  3. Step 3: Cross multiply
    157,734.40x = 236,601.60 × 155,142.40
  4. Step 4: Simplify right side
    157,734.40x = 36,706,940,067.84
  5. Step 5: Solve for x
    x = 36,706,940,067.84/157,734.40
  6. Step 6: Final answer
    x = 232,713.60

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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.