Home / 161,206.83-222,447.75-93,213.51

Finding the Fourth Proportional to 161,206.83, 222,447.75 and 93,213.51

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Solution

The fourth proportional to 161,206.83, 222,447.75 and 93,213.51 is: 128,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,206.83 : 222,447.75 = 93,213.51 : x
  2. Step 2: Convert to fraction form
    161,206.83/222,447.75 = 93,213.51/x
  3. Step 3: Cross multiply
    161,206.83x = 222,447.75 × 93,213.51
  4. Step 4: Simplify right side
    161,206.83x = 20,735,135,569.10
  5. Step 5: Solve for x
    x = 20,735,135,569.10/161,206.83
  6. Step 6: Final answer
    x = 128,624.42

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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.