Home / 296,186.83-408,312.70-211,156.27

Finding the Fourth Proportional to 296,186.83, 408,312.70 and 211,156.27

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Solution

The fourth proportional to 296,186.83, 408,312.70 and 211,156.27 is: 291,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,186.83 : 408,312.70 = 211,156.27 : x
  2. Step 2: Convert to fraction form
    296,186.83/408,312.70 = 211,156.27/x
  3. Step 3: Cross multiply
    296,186.83x = 408,312.70 × 211,156.27
  4. Step 4: Simplify right side
    296,186.83x = 86,217,786,725.63
  5. Step 5: Solve for x
    x = 86,217,786,725.63/296,186.83
  6. Step 6: Final answer
    x = 291,092.57

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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.