Home / 121,541.10-182,310.45-38,435.10

Finding the Fourth Proportional to 121,541.10, 182,310.45 and 38,435.10

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Solution

The fourth proportional to 121,541.10, 182,310.45 and 38,435.10 is: 57,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,541.10 : 182,310.45 = 38,435.10 : x
  2. Step 2: Convert to fraction form
    121,541.10/182,310.45 = 38,435.10/x
  3. Step 3: Cross multiply
    121,541.10x = 182,310.45 × 38,435.10
  4. Step 4: Simplify right side
    121,541.10x = 7,007,120,376.80
  5. Step 5: Solve for x
    x = 7,007,120,376.80/121,541.10
  6. Step 6: Final answer
    x = 57,652.27

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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.