Home / 211,109.44-316,630.14-92,758.72

Finding the Fourth Proportional to 211,109.44, 316,630.14 and 92,758.72

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Solution

The fourth proportional to 211,109.44, 316,630.14 and 92,758.72 is: 139,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,109.44 : 316,630.14 = 92,758.72 : x
  2. Step 2: Convert to fraction form
    211,109.44/316,630.14 = 92,758.72/x
  3. Step 3: Cross multiply
    211,109.44x = 316,630.14 × 92,758.72
  4. Step 4: Simplify right side
    211,109.44x = 29,370,206,499.82
  5. Step 5: Solve for x
    x = 29,370,206,499.82/211,109.44
  6. Step 6: Final answer
    x = 139,123.13

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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.