Home / 268,636.08-370,724.04-147,784.08

Finding the Fourth Proportional to 268,636.08, 370,724.04 and 147,784.08

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Solution

The fourth proportional to 268,636.08, 370,724.04 and 147,784.08 is: 203,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,636.08 : 370,724.04 = 147,784.08 : x
  2. Step 2: Convert to fraction form
    268,636.08/370,724.04 = 147,784.08/x
  3. Step 3: Cross multiply
    268,636.08x = 370,724.04 × 147,784.08
  4. Step 4: Simplify right side
    268,636.08x = 54,787,111,185.28
  5. Step 5: Solve for x
    x = 54,787,111,185.28/268,636.08
  6. Step 6: Final answer
    x = 203,945.47

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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.