Home / 219,953.22-329,926.95-53,742.66

Finding the Fourth Proportional to 219,953.22, 329,926.95 and 53,742.66

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Solution

The fourth proportional to 219,953.22, 329,926.95 and 53,742.66 is: 80,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,953.22 : 329,926.95 = 53,742.66 : x
  2. Step 2: Convert to fraction form
    219,953.22/329,926.95 = 53,742.66/x
  3. Step 3: Cross multiply
    219,953.22x = 329,926.95 × 53,742.66
  4. Step 4: Simplify right side
    219,953.22x = 17,731,151,898.69
  5. Step 5: Solve for x
    x = 17,731,151,898.69/219,953.22
  6. Step 6: Final answer
    x = 80,613.29

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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.