Home / 158,922.48-219,302.19-87,305.52

Finding the Fourth Proportional to 158,922.48, 219,302.19 and 87,305.52

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Solution

The fourth proportional to 158,922.48, 219,302.19 and 87,305.52 is: 120,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,922.48 : 219,302.19 = 87,305.52 : x
  2. Step 2: Convert to fraction form
    158,922.48/219,302.19 = 87,305.52/x
  3. Step 3: Cross multiply
    158,922.48x = 219,302.19 × 87,305.52
  4. Step 4: Simplify right side
    158,922.48x = 19,146,291,735.09
  5. Step 5: Solve for x
    x = 19,146,291,735.09/158,922.48
  6. Step 6: Final answer
    x = 120,475.67

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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.