Home / 160,890.12-222,025.52-89,268.91

Finding the Fourth Proportional to 160,890.12, 222,025.52 and 89,268.91

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Solution

The fourth proportional to 160,890.12, 222,025.52 and 89,268.91 is: 123,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,890.12 : 222,025.52 = 89,268.91 : x
  2. Step 2: Convert to fraction form
    160,890.12/222,025.52 = 89,268.91/x
  3. Step 3: Cross multiply
    160,890.12x = 222,025.52 × 89,268.91
  4. Step 4: Simplify right side
    160,890.12x = 19,819,975,830.69
  5. Step 5: Solve for x
    x = 19,819,975,830.69/160,890.12
  6. Step 6: Final answer
    x = 123,189.51

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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.