Home / 161,110.96-222,362.16-93,118.60

Finding the Fourth Proportional to 161,110.96, 222,362.16 and 93,118.60

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Solution

The fourth proportional to 161,110.96, 222,362.16 and 93,118.60 is: 128,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,110.96 : 222,362.16 = 93,118.60 : x
  2. Step 2: Convert to fraction form
    161,110.96/222,362.16 = 93,118.60/x
  3. Step 3: Cross multiply
    161,110.96x = 222,362.16 × 93,118.60
  4. Step 4: Simplify right side
    161,110.96x = 20,706,053,032.18
  5. Step 5: Solve for x
    x = 20,706,053,032.18/161,110.96
  6. Step 6: Final answer
    x = 128,520.45

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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.