Home / 141,112.65-194,701.06-79,860.25

Finding the Fourth Proportional to 141,112.65, 194,701.06 and 79,860.25

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Solution

The fourth proportional to 141,112.65, 194,701.06 and 79,860.25 is: 110,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,112.65 : 194,701.06 = 79,860.25 : x
  2. Step 2: Convert to fraction form
    141,112.65/194,701.06 = 79,860.25/x
  3. Step 3: Cross multiply
    141,112.65x = 194,701.06 × 79,860.25
  4. Step 4: Simplify right side
    141,112.65x = 15,548,874,640.46
  5. Step 5: Solve for x
    x = 15,548,874,640.46/141,112.65
  6. Step 6: Final answer
    x = 110,187.67

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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.