Home / 376,925.72-519,923.19-223,853.49

Finding the Fourth Proportional to 376,925.72, 519,923.19 and 223,853.49

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Solution

The fourth proportional to 376,925.72, 519,923.19 and 223,853.49 is: 308,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,925.72 : 519,923.19 = 223,853.49 : x
  2. Step 2: Convert to fraction form
    376,925.72/519,923.19 = 223,853.49/x
  3. Step 3: Cross multiply
    376,925.72x = 519,923.19 × 223,853.49
  4. Step 4: Simplify right side
    376,925.72x = 116,386,620,613.43
  5. Step 5: Solve for x
    x = 116,386,620,613.43/376,925.72
  6. Step 6: Final answer
    x = 308,778.67

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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.