Home / 193,448.16-290,285.01-81,119.73

Finding the Fourth Proportional to 193,448.16, 290,285.01 and 81,119.73

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Solution

The fourth proportional to 193,448.16, 290,285.01 and 81,119.73 is: 121,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,448.16 : 290,285.01 = 81,119.73 : x
  2. Step 2: Convert to fraction form
    193,448.16/290,285.01 = 81,119.73/x
  3. Step 3: Cross multiply
    193,448.16x = 290,285.01 × 81,119.73
  4. Step 4: Simplify right side
    193,448.16x = 23,547,841,634.25
  5. Step 5: Solve for x
    x = 23,547,841,634.25/193,448.16
  6. Step 6: Final answer
    x = 121,726.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.