Home / 114,638.22-158,277.84-87,732.66

Finding the Fourth Proportional to 114,638.22, 158,277.84 and 87,732.66

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Solution

The fourth proportional to 114,638.22, 158,277.84 and 87,732.66 is: 121,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,638.22 : 158,277.84 = 87,732.66 : x
  2. Step 2: Convert to fraction form
    114,638.22/158,277.84 = 87,732.66/x
  3. Step 3: Cross multiply
    114,638.22x = 158,277.84 × 87,732.66
  4. Step 4: Simplify right side
    114,638.22x = 13,886,135,922.25
  5. Step 5: Solve for x
    x = 13,886,135,922.25/114,638.22
  6. Step 6: Final answer
    x = 121,130.07

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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.