Home / 151,256.88-227,025.36-76,429.68

Finding the Fourth Proportional to 151,256.88, 227,025.36 and 76,429.68

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Solution

The fourth proportional to 151,256.88, 227,025.36 and 76,429.68 is: 114,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,256.88 : 227,025.36 = 76,429.68 : x
  2. Step 2: Convert to fraction form
    151,256.88/227,025.36 = 76,429.68/x
  3. Step 3: Cross multiply
    151,256.88x = 227,025.36 × 76,429.68
  4. Step 4: Simplify right side
    151,256.88x = 17,351,475,616.68
  5. Step 5: Solve for x
    x = 17,351,475,616.68/151,256.88
  6. Step 6: Final answer
    x = 114,715.28

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1.5x scale

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.