Home / 169,906.70-234,477.26-93,431.60

Finding the Fourth Proportional to 169,906.70, 234,477.26 and 93,431.60

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Solution

The fourth proportional to 169,906.70, 234,477.26 and 93,431.60 is: 128,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,906.70 : 234,477.26 = 93,431.60 : x
  2. Step 2: Convert to fraction form
    169,906.70/234,477.26 = 93,431.60/x
  3. Step 3: Cross multiply
    169,906.70x = 234,477.26 × 93,431.60
  4. Step 4: Simplify right side
    169,906.70x = 21,907,585,681.08
  5. Step 5: Solve for x
    x = 21,907,585,681.08/169,906.70
  6. Step 6: Final answer
    x = 128,938.91

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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.