Home / 376,363.35-519,145.20-223,293.15

Finding the Fourth Proportional to 376,363.35, 519,145.20 and 223,293.15

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Solution

The fourth proportional to 376,363.35, 519,145.20 and 223,293.15 is: 308,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,363.35 : 519,145.20 = 223,293.15 : x
  2. Step 2: Convert to fraction form
    376,363.35/519,145.20 = 223,293.15/x
  3. Step 3: Cross multiply
    376,363.35x = 519,145.20 × 223,293.15
  4. Step 4: Simplify right side
    376,363.35x = 115,921,567,015.38
  5. Step 5: Solve for x
    x = 115,921,567,015.38/376,363.35
  6. Step 6: Final answer
    x = 308,004.40

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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.