Home / 141,180.69-194,832.50-77,518.74

Finding the Fourth Proportional to 141,180.69, 194,832.50 and 77,518.74

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Solution

The fourth proportional to 141,180.69, 194,832.50 and 77,518.74 is: 106,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,180.69 : 194,832.50 = 77,518.74 : x
  2. Step 2: Convert to fraction form
    141,180.69/194,832.50 = 77,518.74/x
  3. Step 3: Cross multiply
    141,180.69x = 194,832.50 × 77,518.74
  4. Step 4: Simplify right side
    141,180.69x = 15,103,169,911.05
  5. Step 5: Solve for x
    x = 15,103,169,911.05/141,180.69
  6. Step 6: Final answer
    x = 106,977.59

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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.