Home / 119,026.43-178,540.70-30,280.03

Finding the Fourth Proportional to 119,026.43, 178,540.70 and 30,280.03

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Solution

The fourth proportional to 119,026.43, 178,540.70 and 30,280.03 is: 45,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,026.43 : 178,540.70 = 30,280.03 : x
  2. Step 2: Convert to fraction form
    119,026.43/178,540.70 = 30,280.03/x
  3. Step 3: Cross multiply
    119,026.43x = 178,540.70 × 30,280.03
  4. Step 4: Simplify right side
    119,026.43x = 5,406,217,824.00
  5. Step 5: Solve for x
    x = 5,406,217,824.00/119,026.43
  6. Step 6: Final answer
    x = 45,420.31

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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.