Home / 183,633.50-275,566.77-78,453.26

Finding the Fourth Proportional to 183,633.50, 275,566.77 and 78,453.26

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Solution

The fourth proportional to 183,633.50, 275,566.77 and 78,453.26 is: 117,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,633.50 : 275,566.77 = 78,453.26 : x
  2. Step 2: Convert to fraction form
    183,633.50/275,566.77 = 78,453.26/x
  3. Step 3: Cross multiply
    183,633.50x = 275,566.77 × 78,453.26
  4. Step 4: Simplify right side
    183,633.50x = 21,619,111,454.17
  5. Step 5: Solve for x
    x = 21,619,111,454.17/183,633.50
  6. Step 6: Final answer
    x = 117,729.67

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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.