Home / 176,112.80-263,780.40-105,869.60

Finding the Fourth Proportional to 176,112.80, 263,780.40 and 105,869.60

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Solution

The fourth proportional to 176,112.80, 263,780.40 and 105,869.60 is: 158,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,112.80 : 263,780.40 = 105,869.60 : x
  2. Step 2: Convert to fraction form
    176,112.80/263,780.40 = 105,869.60/x
  3. Step 3: Cross multiply
    176,112.80x = 263,780.40 × 105,869.60
  4. Step 4: Simplify right side
    176,112.80x = 27,926,325,435.84
  5. Step 5: Solve for x
    x = 27,926,325,435.84/176,112.80
  6. Step 6: Final answer
    x = 158,570.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.