Home / 180,246.33-248,741.51-99,679.28

Finding the Fourth Proportional to 180,246.33, 248,741.51 and 99,679.28

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Solution

The fourth proportional to 180,246.33, 248,741.51 and 99,679.28 is: 137,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,246.33 : 248,741.51 = 99,679.28 : x
  2. Step 2: Convert to fraction form
    180,246.33/248,741.51 = 99,679.28/x
  3. Step 3: Cross multiply
    180,246.33x = 248,741.51 × 99,679.28
  4. Step 4: Simplify right side
    180,246.33x = 24,794,372,880.81
  5. Step 5: Solve for x
    x = 24,794,372,880.81/180,246.33
  6. Step 6: Final answer
    x = 137,558.27

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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.