Home / 315,207.17-435,019.41-192,771.18

Finding the Fourth Proportional to 315,207.17, 435,019.41 and 192,771.18

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Solution

The fourth proportional to 315,207.17, 435,019.41 and 192,771.18 is: 266,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,207.17 : 435,019.41 = 192,771.18 : x
  2. Step 2: Convert to fraction form
    315,207.17/435,019.41 = 192,771.18/x
  3. Step 3: Cross multiply
    315,207.17x = 435,019.41 × 192,771.18
  4. Step 4: Simplify right side
    315,207.17x = 83,859,204,988.60
  5. Step 5: Solve for x
    x = 83,859,204,988.60/315,207.17
  6. Step 6: Final answer
    x = 266,044.73

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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.