Home / 200,214.04-276,356.88-115,387.60

Finding the Fourth Proportional to 200,214.04, 276,356.88 and 115,387.60

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Solution

The fourth proportional to 200,214.04, 276,356.88 and 115,387.60 is: 159,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,214.04 : 276,356.88 = 115,387.60 : x
  2. Step 2: Convert to fraction form
    200,214.04/276,356.88 = 115,387.60/x
  3. Step 3: Cross multiply
    200,214.04x = 276,356.88 × 115,387.60
  4. Step 4: Simplify right side
    200,214.04x = 31,888,157,126.69
  5. Step 5: Solve for x
    x = 31,888,157,126.69/200,214.04
  6. Step 6: Final answer
    x = 159,270.33

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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.