Home / 268,790.40-370,931.04-147,940.44

Finding the Fourth Proportional to 268,790.40, 370,931.04 and 147,940.44

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Solution

The fourth proportional to 268,790.40, 370,931.04 and 147,940.44 is: 204,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,790.40 : 370,931.04 = 147,940.44 : x
  2. Step 2: Convert to fraction form
    268,790.40/370,931.04 = 147,940.44/x
  3. Step 3: Cross multiply
    268,790.40x = 370,931.04 × 147,940.44
  4. Step 4: Simplify right side
    268,790.40x = 54,875,701,267.26
  5. Step 5: Solve for x
    x = 54,875,701,267.26/268,790.40
  6. Step 6: Final answer
    x = 204,157.97

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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.