Home / 196,913.10-295,515.45-130,331.10

Finding the Fourth Proportional to 196,913.10, 295,515.45 and 130,331.10

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Solution

The fourth proportional to 196,913.10, 295,515.45 and 130,331.10 is: 195,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,913.10 : 295,515.45 = 130,331.10 : x
  2. Step 2: Convert to fraction form
    196,913.10/295,515.45 = 130,331.10/x
  3. Step 3: Cross multiply
    196,913.10x = 295,515.45 × 130,331.10
  4. Step 4: Simplify right side
    196,913.10x = 38,514,853,665.50
  5. Step 5: Solve for x
    x = 38,514,853,665.50/196,913.10
  6. Step 6: Final answer
    x = 195,593.15

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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.