Home / 135,025.48-186,331.56-74,586.38

Finding the Fourth Proportional to 135,025.48, 186,331.56 and 74,586.38

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Solution

The fourth proportional to 135,025.48, 186,331.56 and 74,586.38 is: 102,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,025.48 : 186,331.56 = 74,586.38 : x
  2. Step 2: Convert to fraction form
    135,025.48/186,331.56 = 74,586.38/x
  3. Step 3: Cross multiply
    135,025.48x = 186,331.56 × 74,586.38
  4. Step 4: Simplify right side
    135,025.48x = 13,897,796,540.15
  5. Step 5: Solve for x
    x = 13,897,796,540.15/135,025.48
  6. Step 6: Final answer
    x = 102,927.21

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1.5x scale

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.