Home / 157,476.96-236,280.24-87,272.64

Finding the Fourth Proportional to 157,476.96, 236,280.24 and 87,272.64

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Solution

The fourth proportional to 157,476.96, 236,280.24 and 87,272.64 is: 130,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,476.96 : 236,280.24 = 87,272.64 : x
  2. Step 2: Convert to fraction form
    157,476.96/236,280.24 = 87,272.64/x
  3. Step 3: Cross multiply
    157,476.96x = 236,280.24 × 87,272.64
  4. Step 4: Simplify right side
    157,476.96x = 20,620,800,324.63
  5. Step 5: Solve for x
    x = 20,620,800,324.63/157,476.96
  6. Step 6: Final answer
    x = 130,944.87

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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.