Home / 129,778.63-194,666.70-41,032.12

Finding the Fourth Proportional to 129,778.63, 194,666.70 and 41,032.12

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Solution

The fourth proportional to 129,778.63, 194,666.70 and 41,032.12 is: 61,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,778.63 : 194,666.70 = 41,032.12 : x
  2. Step 2: Convert to fraction form
    129,778.63/194,666.70 = 41,032.12/x
  3. Step 3: Cross multiply
    129,778.63x = 194,666.70 × 41,032.12
  4. Step 4: Simplify right side
    129,778.63x = 7,987,587,394.40
  5. Step 5: Solve for x
    x = 7,987,587,394.40/129,778.63
  6. Step 6: Final answer
    x = 61,547.79

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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.