Home / 161,025.14-222,210.46-89,403.32

Finding the Fourth Proportional to 161,025.14, 222,210.46 and 89,403.32

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Solution

The fourth proportional to 161,025.14, 222,210.46 and 89,403.32 is: 123,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,025.14 : 222,210.46 = 89,403.32 : x
  2. Step 2: Convert to fraction form
    161,025.14/222,210.46 = 89,403.32/x
  3. Step 3: Cross multiply
    161,025.14x = 222,210.46 × 89,403.32
  4. Step 4: Simplify right side
    161,025.14x = 19,866,352,862.73
  5. Step 5: Solve for x
    x = 19,866,352,862.73/161,025.14
  6. Step 6: Final answer
    x = 123,374.23

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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.