Home / 135,623.43-203,411.93-35,784.65

Finding the Fourth Proportional to 135,623.43, 203,411.93 and 35,784.65

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Solution

The fourth proportional to 135,623.43, 203,411.93 and 35,784.65 is: 53,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,623.43 : 203,411.93 = 35,784.65 : x
  2. Step 2: Convert to fraction form
    135,623.43/203,411.93 = 35,784.65/x
  3. Step 3: Cross multiply
    135,623.43x = 203,411.93 × 35,784.65
  4. Step 4: Simplify right side
    135,623.43x = 7,279,025,050.48
  5. Step 5: Solve for x
    x = 7,279,025,050.48/135,623.43
  6. Step 6: Final answer
    x = 53,670.85

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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.