Home / 196,164.15-294,244.50-129,900.69

Finding the Fourth Proportional to 196,164.15, 294,244.50 and 129,900.69

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Solution

The fourth proportional to 196,164.15, 294,244.50 and 129,900.69 is: 194,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,164.15 : 294,244.50 = 129,900.69 : x
  2. Step 2: Convert to fraction form
    196,164.15/294,244.50 = 129,900.69/x
  3. Step 3: Cross multiply
    196,164.15x = 294,244.50 × 129,900.69
  4. Step 4: Simplify right side
    196,164.15x = 38,222,563,578.71
  5. Step 5: Solve for x
    x = 38,222,563,578.71/196,164.15
  6. Step 6: Final answer
    x = 194,849.89

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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.