Home / 190,194.68-285,292.13-154,613.61

Finding the Fourth Proportional to 190,194.68, 285,292.13 and 154,613.61

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Solution

The fourth proportional to 190,194.68, 285,292.13 and 154,613.61 is: 231,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,194.68 : 285,292.13 = 154,613.61 : x
  2. Step 2: Convert to fraction form
    190,194.68/285,292.13 = 154,613.61/x
  3. Step 3: Cross multiply
    190,194.68x = 285,292.13 × 154,613.61
  4. Step 4: Simplify right side
    190,194.68x = 44,110,045,350.82
  5. Step 5: Solve for x
    x = 44,110,045,350.82/190,194.68
  6. Step 6: Final answer
    x = 231,920.50

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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.