Home / 127,823.50-176,211.97-89,464.33

Finding the Fourth Proportional to 127,823.50, 176,211.97 and 89,464.33

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Solution

The fourth proportional to 127,823.50, 176,211.97 and 89,464.33 is: 123,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,823.50 : 176,211.97 = 89,464.33 : x
  2. Step 2: Convert to fraction form
    127,823.50/176,211.97 = 89,464.33/x
  3. Step 3: Cross multiply
    127,823.50x = 176,211.97 × 89,464.33
  4. Step 4: Simplify right side
    127,823.50x = 15,764,685,834.03
  5. Step 5: Solve for x
    x = 15,764,685,834.03/127,823.50
  6. Step 6: Final answer
    x = 123,331.67

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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.