Home / 305,384.60-458,080.43-92,154.36

Finding the Fourth Proportional to 305,384.60, 458,080.43 and 92,154.36

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Solution

The fourth proportional to 305,384.60, 458,080.43 and 92,154.36 is: 138,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,384.60 : 458,080.43 = 92,154.36 : x
  2. Step 2: Convert to fraction form
    305,384.60/458,080.43 = 92,154.36/x
  3. Step 3: Cross multiply
    305,384.60x = 458,080.43 × 92,154.36
  4. Step 4: Simplify right side
    305,384.60x = 42,214,108,825.75
  5. Step 5: Solve for x
    x = 42,214,108,825.75/305,384.60
  6. Step 6: Final answer
    x = 138,232.60

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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.