Home / 196,117.24-294,117.30-71,429.08

Finding the Fourth Proportional to 196,117.24, 294,117.30 and 71,429.08

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Solution

The fourth proportional to 196,117.24, 294,117.30 and 71,429.08 is: 107,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,117.24 : 294,117.30 = 71,429.08 : x
  2. Step 2: Convert to fraction form
    196,117.24/294,117.30 = 71,429.08/x
  3. Step 3: Cross multiply
    196,117.24x = 294,117.30 × 71,429.08
  4. Step 4: Simplify right side
    196,117.24x = 21,008,528,151.08
  5. Step 5: Solve for x
    x = 21,008,528,151.08/196,117.24
  6. Step 6: Final answer
    x = 107,122.29

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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.