Home / 196,570.18-294,771.03-91,378.18

Finding the Fourth Proportional to 196,570.18, 294,771.03 and 91,378.18

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Solution

The fourth proportional to 196,570.18, 294,771.03 and 91,378.18 is: 137,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,570.18 : 294,771.03 = 91,378.18 : x
  2. Step 2: Convert to fraction form
    196,570.18/294,771.03 = 91,378.18/x
  3. Step 3: Cross multiply
    196,570.18x = 294,771.03 × 91,378.18
  4. Step 4: Simplify right side
    196,570.18x = 26,935,640,238.13
  5. Step 5: Solve for x
    x = 26,935,640,238.13/196,570.18
  6. Step 6: Final answer
    x = 137,028.11

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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.