Home / 200,531.16-276,733.67-109,888.11

Finding the Fourth Proportional to 200,531.16, 276,733.67 and 109,888.11

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Solution

The fourth proportional to 200,531.16, 276,733.67 and 109,888.11 is: 151,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,531.16 : 276,733.67 = 109,888.11 : x
  2. Step 2: Convert to fraction form
    200,531.16/276,733.67 = 109,888.11/x
  3. Step 3: Cross multiply
    200,531.16x = 276,733.67 × 109,888.11
  4. Step 4: Simplify right side
    200,531.16x = 30,409,739,420.22
  5. Step 5: Solve for x
    x = 30,409,739,420.22/200,531.16
  6. Step 6: Final answer
    x = 151,645.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.