Home / 135,728.65-203,510.96-60,834.84

Finding the Fourth Proportional to 135,728.65, 203,510.96 and 60,834.84

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Solution

The fourth proportional to 135,728.65, 203,510.96 and 60,834.84 is: 91,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,728.65 : 203,510.96 = 60,834.84 : x
  2. Step 2: Convert to fraction form
    135,728.65/203,510.96 = 60,834.84/x
  3. Step 3: Cross multiply
    135,728.65x = 203,510.96 × 60,834.84
  4. Step 4: Simplify right side
    135,728.65x = 12,380,556,689.85
  5. Step 5: Solve for x
    x = 12,380,556,689.85/135,728.65
  6. Step 6: Final answer
    x = 91,215.50

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1.5x scale

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.