Home / 281,127.24-388,116-185,910.12

Finding the Fourth Proportional to 281,127.24, 388,116 and 185,910.12

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Solution

The fourth proportional to 281,127.24, 388,116 and 185,910.12 is: 256,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,127.24 : 388,116 = 185,910.12 : x
  2. Step 2: Convert to fraction form
    281,127.24/388,116 = 185,910.12/x
  3. Step 3: Cross multiply
    281,127.24x = 388,116 × 185,910.12
  4. Step 4: Simplify right side
    281,127.24x = 72,154,692,133.92
  5. Step 5: Solve for x
    x = 72,154,692,133.92/281,127.24
  6. Step 6: Final answer
    x = 256,662.04

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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.