Home / 196,009.99-270,588.81-131,455.61

Finding the Fourth Proportional to 196,009.99, 270,588.81 and 131,455.61

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Solution

The fourth proportional to 196,009.99, 270,588.81 and 131,455.61 is: 181,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,009.99 : 270,588.81 = 131,455.61 : x
  2. Step 2: Convert to fraction form
    196,009.99/270,588.81 = 131,455.61/x
  3. Step 3: Cross multiply
    196,009.99x = 270,588.81 × 131,455.61
  4. Step 4: Simplify right side
    196,009.99x = 35,570,417,232.45
  5. Step 5: Solve for x
    x = 35,570,417,232.45/196,009.99
  6. Step 6: Final answer
    x = 181,472.47

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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.