Home / 312,665.24-469,006.62-194,677.40

Finding the Fourth Proportional to 312,665.24, 469,006.62 and 194,677.40

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Solution

The fourth proportional to 312,665.24, 469,006.62 and 194,677.40 is: 292,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,665.24 : 469,006.62 = 194,677.40 : x
  2. Step 2: Convert to fraction form
    312,665.24/469,006.62 = 194,677.40/x
  3. Step 3: Cross multiply
    312,665.24x = 469,006.62 × 194,677.40
  4. Step 4: Simplify right side
    312,665.24x = 91,304,989,364.39
  5. Step 5: Solve for x
    x = 91,304,989,364.39/312,665.24
  6. Step 6: Final answer
    x = 292,021.55

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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.