Home / 158,708.33-219,027.44-87,088.54

Finding the Fourth Proportional to 158,708.33, 219,027.44 and 87,088.54

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Solution

The fourth proportional to 158,708.33, 219,027.44 and 87,088.54 is: 120,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,708.33 : 219,027.44 = 87,088.54 : x
  2. Step 2: Convert to fraction form
    158,708.33/219,027.44 = 87,088.54/x
  3. Step 3: Cross multiply
    158,708.33x = 219,027.44 × 87,088.54
  4. Step 4: Simplify right side
    158,708.33x = 19,074,779,969.54
  5. Step 5: Solve for x
    x = 19,074,779,969.54/158,708.33
  6. Step 6: Final answer
    x = 120,187.64

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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.