Home / 372,363.18-513,835.19-211,244.15

Finding the Fourth Proportional to 372,363.18, 513,835.19 and 211,244.15

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Solution

The fourth proportional to 372,363.18, 513,835.19 and 211,244.15 is: 291,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,363.18 : 513,835.19 = 211,244.15 : x
  2. Step 2: Convert to fraction form
    372,363.18/513,835.19 = 211,244.15/x
  3. Step 3: Cross multiply
    372,363.18x = 513,835.19 × 211,244.15
  4. Step 4: Simplify right side
    372,363.18x = 108,544,680,160.42
  5. Step 5: Solve for x
    x = 108,544,680,160.42/372,363.18
  6. Step 6: Final answer
    x = 291,502.19

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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.