Home / 254,282.28-381,425.34-117,492.72

Finding the Fourth Proportional to 254,282.28, 381,425.34 and 117,492.72

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Solution

The fourth proportional to 254,282.28, 381,425.34 and 117,492.72 is: 176,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,282.28 : 381,425.34 = 117,492.72 : x
  2. Step 2: Convert to fraction form
    254,282.28/381,425.34 = 117,492.72/x
  3. Step 3: Cross multiply
    254,282.28x = 381,425.34 × 117,492.72
  4. Step 4: Simplify right side
    254,282.28x = 44,814,700,673.52
  5. Step 5: Solve for x
    x = 44,814,700,673.52/254,282.28
  6. Step 6: Final answer
    x = 176,239.97

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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.