Home / 141,072.26-194,678.91-77,412.33

Finding the Fourth Proportional to 141,072.26, 194,678.91 and 77,412.33

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Solution

The fourth proportional to 141,072.26, 194,678.91 and 77,412.33 is: 106,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,072.26 : 194,678.91 = 77,412.33 : x
  2. Step 2: Convert to fraction form
    141,072.26/194,678.91 = 77,412.33/x
  3. Step 3: Cross multiply
    141,072.26x = 194,678.91 × 77,412.33
  4. Step 4: Simplify right side
    141,072.26x = 15,070,548,024.96
  5. Step 5: Solve for x
    x = 15,070,548,024.96/141,072.26
  6. Step 6: Final answer
    x = 106,828.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.