Home / 141,912.41-195,886.55-84,569.72

Finding the Fourth Proportional to 141,912.41, 195,886.55 and 84,569.72

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Solution

The fourth proportional to 141,912.41, 195,886.55 and 84,569.72 is: 116,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,912.41 : 195,886.55 = 84,569.72 : x
  2. Step 2: Convert to fraction form
    141,912.41/195,886.55 = 84,569.72/x
  3. Step 3: Cross multiply
    141,912.41x = 195,886.55 × 84,569.72
  4. Step 4: Simplify right side
    141,912.41x = 16,566,071,019.12
  5. Step 5: Solve for x
    x = 16,566,071,019.12/141,912.41
  6. Step 6: Final answer
    x = 116,734.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.