Home / 141,161.83-194,804.72-76,631.57

Finding the Fourth Proportional to 141,161.83, 194,804.72 and 76,631.57

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Solution

The fourth proportional to 141,161.83, 194,804.72 and 76,631.57 is: 105,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,161.83 : 194,804.72 = 76,631.57 : x
  2. Step 2: Convert to fraction form
    141,161.83/194,804.72 = 76,631.57/x
  3. Step 3: Cross multiply
    141,161.83x = 194,804.72 × 76,631.57
  4. Step 4: Simplify right side
    141,161.83x = 14,928,190,754.57
  5. Step 5: Solve for x
    x = 14,928,190,754.57/141,161.83
  6. Step 6: Final answer
    x = 105,752.32

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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.