Home / 161,257.75-222,516.35-88,648.67

Finding the Fourth Proportional to 161,257.75, 222,516.35 and 88,648.67

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Solution

The fourth proportional to 161,257.75, 222,516.35 and 88,648.67 is: 122,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,257.75 : 222,516.35 = 88,648.67 : x
  2. Step 2: Convert to fraction form
    161,257.75/222,516.35 = 88,648.67/x
  3. Step 3: Cross multiply
    161,257.75x = 222,516.35 × 88,648.67
  4. Step 4: Simplify right side
    161,257.75x = 19,725,777,368.17
  5. Step 5: Solve for x
    x = 19,725,777,368.17/161,257.75
  6. Step 6: Final answer
    x = 122,324.52

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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.