Home / 296,186.58-408,312.36-211,156.02

Finding the Fourth Proportional to 296,186.58, 408,312.36 and 211,156.02

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Solution

The fourth proportional to 296,186.58, 408,312.36 and 211,156.02 is: 291,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,186.58 : 408,312.36 = 211,156.02 : x
  2. Step 2: Convert to fraction form
    296,186.58/408,312.36 = 211,156.02/x
  3. Step 3: Cross multiply
    296,186.58x = 408,312.36 × 211,156.02
  4. Step 4: Simplify right side
    296,186.58x = 86,217,612,854.41
  5. Step 5: Solve for x
    x = 86,217,612,854.41/296,186.58
  6. Step 6: Final answer
    x = 291,092.23

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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.