Home / 141,161.07-194,801.46-76,631.61

Finding the Fourth Proportional to 141,161.07, 194,801.46 and 76,631.61

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Solution

The fourth proportional to 141,161.07, 194,801.46 and 76,631.61 is: 105,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,161.07 : 194,801.46 = 76,631.61 : x
  2. Step 2: Convert to fraction form
    141,161.07/194,801.46 = 76,631.61/x
  3. Step 3: Cross multiply
    141,161.07x = 194,801.46 × 76,631.61
  4. Step 4: Simplify right side
    141,161.07x = 14,927,949,510.15
  5. Step 5: Solve for x
    x = 14,927,949,510.15/141,161.07
  6. Step 6: Final answer
    x = 105,751.18

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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.