Home / 135,895.30-203,859.16-65,724.19

Finding the Fourth Proportional to 135,895.30, 203,859.16 and 65,724.19

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Solution

The fourth proportional to 135,895.30, 203,859.16 and 65,724.19 is: 98,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,895.30 : 203,859.16 = 65,724.19 : x
  2. Step 2: Convert to fraction form
    135,895.30/203,859.16 = 65,724.19/x
  3. Step 3: Cross multiply
    135,895.30x = 203,859.16 × 65,724.19
  4. Step 4: Simplify right side
    135,895.30x = 13,398,477,491.12
  5. Step 5: Solve for x
    x = 13,398,477,491.12/135,895.30
  6. Step 6: Final answer
    x = 98,594.12

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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.