Home / 328,527.12-453,464.38-192,590.49

Finding the Fourth Proportional to 328,527.12, 453,464.38 and 192,590.49

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Solution

The fourth proportional to 328,527.12, 453,464.38 and 192,590.49 is: 265,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,527.12 : 453,464.38 = 192,590.49 : x
  2. Step 2: Convert to fraction form
    328,527.12/453,464.38 = 192,590.49/x
  3. Step 3: Cross multiply
    328,527.12x = 453,464.38 × 192,590.49
  4. Step 4: Simplify right side
    328,527.12x = 87,332,923,911.47
  5. Step 5: Solve for x
    x = 87,332,923,911.47/328,527.12
  6. Step 6: Final answer
    x = 265,831.71

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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.