Home / 196,514.70-294,516.90-91,109.40

Finding the Fourth Proportional to 196,514.70, 294,516.90 and 91,109.40

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Solution

The fourth proportional to 196,514.70, 294,516.90 and 91,109.40 is: 136,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,514.70 : 294,516.90 = 91,109.40 : x
  2. Step 2: Convert to fraction form
    196,514.70/294,516.90 = 91,109.40/x
  3. Step 3: Cross multiply
    196,514.70x = 294,516.90 × 91,109.40
  4. Step 4: Simplify right side
    196,514.70x = 26,833,258,048.86
  5. Step 5: Solve for x
    x = 26,833,258,048.86/196,514.70
  6. Step 6: Final answer
    x = 136,545.81

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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.