Home / 376,363.51-519,145.43-223,293.35

Finding the Fourth Proportional to 376,363.51, 519,145.43 and 223,293.35

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Solution

The fourth proportional to 376,363.51, 519,145.43 and 223,293.35 is: 308,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,363.51 : 519,145.43 = 223,293.35 : x
  2. Step 2: Convert to fraction form
    376,363.51/519,145.43 = 223,293.35/x
  3. Step 3: Cross multiply
    376,363.51x = 519,145.43 × 223,293.35
  4. Step 4: Simplify right side
    376,363.51x = 115,921,722,383.29
  5. Step 5: Solve for x
    x = 115,921,722,383.29/376,363.51
  6. Step 6: Final answer
    x = 308,004.68

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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.