Home / 190,729.28-263,211.36-104,692.16

Finding the Fourth Proportional to 190,729.28, 263,211.36 and 104,692.16

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Solution

The fourth proportional to 190,729.28, 263,211.36 and 104,692.16 is: 144,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,729.28 : 263,211.36 = 104,692.16 : x
  2. Step 2: Convert to fraction form
    190,729.28/263,211.36 = 104,692.16/x
  3. Step 3: Cross multiply
    190,729.28x = 263,211.36 × 104,692.16
  4. Step 4: Simplify right side
    190,729.28x = 27,556,165,814.94
  5. Step 5: Solve for x
    x = 27,556,165,814.94/190,729.28
  6. Step 6: Final answer
    x = 144,477.90

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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.