Home / 143,164.08-197,556.30-89,458.92

Finding the Fourth Proportional to 143,164.08, 197,556.30 and 89,458.92

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Solution

The fourth proportional to 143,164.08, 197,556.30 and 89,458.92 is: 123,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,164.08 : 197,556.30 = 89,458.92 : x
  2. Step 2: Convert to fraction form
    143,164.08/197,556.30 = 89,458.92/x
  3. Step 3: Cross multiply
    143,164.08x = 197,556.30 × 89,458.92
  4. Step 4: Simplify right side
    143,164.08x = 17,673,173,237.20
  5. Step 5: Solve for x
    x = 17,673,173,237.20/143,164.08
  6. Step 6: Final answer
    x = 123,446.98

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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.