Home / 211,157.62-316,733.90-84,795.59

Finding the Fourth Proportional to 211,157.62, 316,733.90 and 84,795.59

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Solution

The fourth proportional to 211,157.62, 316,733.90 and 84,795.59 is: 127,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,157.62 : 316,733.90 = 84,795.59 : x
  2. Step 2: Convert to fraction form
    211,157.62/316,733.90 = 84,795.59/x
  3. Step 3: Cross multiply
    211,157.62x = 316,733.90 × 84,795.59
  4. Step 4: Simplify right side
    211,157.62x = 26,857,638,291.36
  5. Step 5: Solve for x
    x = 26,857,638,291.36/211,157.62
  6. Step 6: Final answer
    x = 127,192.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.