Home / 380,758.28-571,165.74-114,497.48

Finding the Fourth Proportional to 380,758.28, 571,165.74 and 114,497.48

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Solution

The fourth proportional to 380,758.28, 571,165.74 and 114,497.48 is: 171,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,758.28 : 571,165.74 = 114,497.48 : x
  2. Step 2: Convert to fraction form
    380,758.28/571,165.74 = 114,497.48/x
  3. Step 3: Cross multiply
    380,758.28x = 571,165.74 × 114,497.48
  4. Step 4: Simplify right side
    380,758.28x = 65,397,037,892.34
  5. Step 5: Solve for x
    x = 65,397,037,892.34/380,758.28
  6. Step 6: Final answer
    x = 171,754.74

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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.