Home / 237,015.12-355,356.68-87,236.00

Finding the Fourth Proportional to 237,015.12, 355,356.68 and 87,236.00

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Solution

The fourth proportional to 237,015.12, 355,356.68 and 87,236.00 is: 130,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,015.12 : 355,356.68 = 87,236.00 : x
  2. Step 2: Convert to fraction form
    237,015.12/355,356.68 = 87,236.00/x
  3. Step 3: Cross multiply
    237,015.12x = 355,356.68 × 87,236.00
  4. Step 4: Simplify right side
    237,015.12x = 30,999,893,777.79
  5. Step 5: Solve for x
    x = 30,999,893,777.79/237,015.12
  6. Step 6: Final answer
    x = 130,792.90

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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.