Home / 158,936.51-219,336.44-87,318.34

Finding the Fourth Proportional to 158,936.51, 219,336.44 and 87,318.34

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Solution

The fourth proportional to 158,936.51, 219,336.44 and 87,318.34 is: 120,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,936.51 : 219,336.44 = 87,318.34 : x
  2. Step 2: Convert to fraction form
    158,936.51/219,336.44 = 87,318.34/x
  3. Step 3: Cross multiply
    158,936.51x = 219,336.44 × 87,318.34
  4. Step 4: Simplify right side
    158,936.51x = 19,152,093,842.31
  5. Step 5: Solve for x
    x = 19,152,093,842.31/158,936.51
  6. Step 6: Final answer
    x = 120,501.54

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1.5x scale

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.