Home / 167,257.90-230,814.93-90,778.51

Finding the Fourth Proportional to 167,257.90, 230,814.93 and 90,778.51

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Solution

The fourth proportional to 167,257.90, 230,814.93 and 90,778.51 is: 125,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,257.90 : 230,814.93 = 90,778.51 : x
  2. Step 2: Convert to fraction form
    167,257.90/230,814.93 = 90,778.51/x
  3. Step 3: Cross multiply
    167,257.90x = 230,814.93 × 90,778.51
  4. Step 4: Simplify right side
    167,257.90x = 20,953,035,431.15
  5. Step 5: Solve for x
    x = 20,953,035,431.15/167,257.90
  6. Step 6: Final answer
    x = 125,273.82

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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.