Home / 211,150.06-316,745.70-61,391.50

Finding the Fourth Proportional to 211,150.06, 316,745.70 and 61,391.50

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Solution

The fourth proportional to 211,150.06, 316,745.70 and 61,391.50 is: 92,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,150.06 : 316,745.70 = 61,391.50 : x
  2. Step 2: Convert to fraction form
    211,150.06/316,745.70 = 61,391.50/x
  3. Step 3: Cross multiply
    211,150.06x = 316,745.70 × 61,391.50
  4. Step 4: Simplify right side
    211,150.06x = 19,445,493,641.55
  5. Step 5: Solve for x
    x = 19,445,493,641.55/211,150.06
  6. Step 6: Final answer
    x = 92,093.24

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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.