Home / 296,173.08-408,293.72-211,142.52

Finding the Fourth Proportional to 296,173.08, 408,293.72 and 211,142.52

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Solution

The fourth proportional to 296,173.08, 408,293.72 and 211,142.52 is: 291,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,173.08 : 408,293.72 = 211,142.52 : x
  2. Step 2: Convert to fraction form
    296,173.08/408,293.72 = 211,142.52/x
  3. Step 3: Cross multiply
    296,173.08x = 408,293.72 × 211,142.52
  4. Step 4: Simplify right side
    296,173.08x = 86,208,164,940.97
  5. Step 5: Solve for x
    x = 86,208,164,940.97/296,173.08
  6. Step 6: Final answer
    x = 291,073.60

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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.