Home / 207,953.22-311,971.95-67,674.18

Finding the Fourth Proportional to 207,953.22, 311,971.95 and 67,674.18

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Solution

The fourth proportional to 207,953.22, 311,971.95 and 67,674.18 is: 101,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,953.22 : 311,971.95 = 67,674.18 : x
  2. Step 2: Convert to fraction form
    207,953.22/311,971.95 = 67,674.18/x
  3. Step 3: Cross multiply
    207,953.22x = 311,971.95 × 67,674.18
  4. Step 4: Simplify right side
    207,953.22x = 21,112,445,899.25
  5. Step 5: Solve for x
    x = 21,112,445,899.25/207,953.22
  6. Step 6: Final answer
    x = 101,524.98

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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.