Home / 141,021.47-194,608.58-77,358.85

Finding the Fourth Proportional to 141,021.47, 194,608.58 and 77,358.85

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Solution

The fourth proportional to 141,021.47, 194,608.58 and 77,358.85 is: 106,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,021.47 : 194,608.58 = 77,358.85 : x
  2. Step 2: Convert to fraction form
    141,021.47/194,608.58 = 77,358.85/x
  3. Step 3: Cross multiply
    141,021.47x = 194,608.58 × 77,358.85
  4. Step 4: Simplify right side
    141,021.47x = 15,054,695,075.62
  5. Step 5: Solve for x
    x = 15,054,695,075.62/141,021.47
  6. Step 6: Final answer
    x = 106,754.63

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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.