Home / 135,389.64-203,116.86-41,895.40

Finding the Fourth Proportional to 135,389.64, 203,116.86 and 41,895.40

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Solution

The fourth proportional to 135,389.64, 203,116.86 and 41,895.40 is: 62,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,389.64 : 203,116.86 = 41,895.40 : x
  2. Step 2: Convert to fraction form
    135,389.64/203,116.86 = 41,895.40/x
  3. Step 3: Cross multiply
    135,389.64x = 203,116.86 × 41,895.40
  4. Step 4: Simplify right side
    135,389.64x = 8,509,662,096.44
  5. Step 5: Solve for x
    x = 8,509,662,096.44/135,389.64
  6. Step 6: Final answer
    x = 62,853.13

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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.