Home / 436,177.71-654,433.32-170,123.69

Finding the Fourth Proportional to 436,177.71, 654,433.32 and 170,123.69

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Solution

The fourth proportional to 436,177.71, 654,433.32 and 170,123.69 is: 255,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,177.71 : 654,433.32 = 170,123.69 : x
  2. Step 2: Convert to fraction form
    436,177.71/654,433.32 = 170,123.69/x
  3. Step 3: Cross multiply
    436,177.71x = 654,433.32 × 170,123.69
  4. Step 4: Simplify right side
    436,177.71x = 111,334,613,531.40
  5. Step 5: Solve for x
    x = 111,334,613,531.40/436,177.71
  6. Step 6: Final answer
    x = 255,250.58

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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.