Home / 116,195.80-160,343.94-68,438.20

Finding the Fourth Proportional to 116,195.80, 160,343.94 and 68,438.20

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Solution

The fourth proportional to 116,195.80, 160,343.94 and 68,438.20 is: 94,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,195.80 : 160,343.94 = 68,438.20 : x
  2. Step 2: Convert to fraction form
    116,195.80/160,343.94 = 68,438.20/x
  3. Step 3: Cross multiply
    116,195.80x = 160,343.94 × 68,438.20
  4. Step 4: Simplify right side
    116,195.80x = 10,973,650,634.51
  5. Step 5: Solve for x
    x = 10,973,650,634.51/116,195.80
  6. Step 6: Final answer
    x = 94,441.03

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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.