Home / 135,966.92-187,613.55-75,532.01

Finding the Fourth Proportional to 135,966.92, 187,613.55 and 75,532.01

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Solution

The fourth proportional to 135,966.92, 187,613.55 and 75,532.01 is: 104,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,966.92 : 187,613.55 = 75,532.01 : x
  2. Step 2: Convert to fraction form
    135,966.92/187,613.55 = 75,532.01/x
  3. Step 3: Cross multiply
    135,966.92x = 187,613.55 × 75,532.01
  4. Step 4: Simplify right side
    135,966.92x = 14,170,827,596.67
  5. Step 5: Solve for x
    x = 14,170,827,596.67/135,966.92
  6. Step 6: Final answer
    x = 104,222.62

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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.