Home / 111,790.64-154,270.97-64,044.18

Finding the Fourth Proportional to 111,790.64, 154,270.97 and 64,044.18

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Solution

The fourth proportional to 111,790.64, 154,270.97 and 64,044.18 is: 88,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,790.64 : 154,270.97 = 64,044.18 : x
  2. Step 2: Convert to fraction form
    111,790.64/154,270.97 = 64,044.18/x
  3. Step 3: Cross multiply
    111,790.64x = 154,270.97 × 64,044.18
  4. Step 4: Simplify right side
    111,790.64x = 9,880,157,771.45
  5. Step 5: Solve for x
    x = 9,880,157,771.45/111,790.64
  6. Step 6: Final answer
    x = 88,380.90

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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.