Home / 111,984.90-154,536.84-60,998.20

Finding the Fourth Proportional to 111,984.90, 154,536.84 and 60,998.20

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Solution

The fourth proportional to 111,984.90, 154,536.84 and 60,998.20 is: 84,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,984.90 : 154,536.84 = 60,998.20 : x
  2. Step 2: Convert to fraction form
    111,984.90/154,536.84 = 60,998.20/x
  3. Step 3: Cross multiply
    111,984.90x = 154,536.84 × 60,998.20
  4. Step 4: Simplify right side
    111,984.90x = 9,426,469,073.69
  5. Step 5: Solve for x
    x = 9,426,469,073.69/111,984.90
  6. Step 6: Final answer
    x = 84,176.25

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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.