Home / 305,867.97-458,885.05-92,643.10

Finding the Fourth Proportional to 305,867.97, 458,885.05 and 92,643.10

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Solution

The fourth proportional to 305,867.97, 458,885.05 and 92,643.10 is: 138,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,867.97 : 458,885.05 = 92,643.10 : x
  2. Step 2: Convert to fraction form
    305,867.97/458,885.05 = 92,643.10/x
  3. Step 3: Cross multiply
    305,867.97x = 458,885.05 × 92,643.10
  4. Step 4: Simplify right side
    305,867.97x = 42,512,533,487.45
  5. Step 5: Solve for x
    x = 42,512,533,487.45/305,867.97
  6. Step 6: Final answer
    x = 138,989.82

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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.