Home / 200,213.04-276,355.50-115,386.60

Finding the Fourth Proportional to 200,213.04, 276,355.50 and 115,386.60

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Solution

The fourth proportional to 200,213.04, 276,355.50 and 115,386.60 is: 159,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,213.04 : 276,355.50 = 115,386.60 : x
  2. Step 2: Convert to fraction form
    200,213.04/276,355.50 = 115,386.60/x
  3. Step 3: Cross multiply
    200,213.04x = 276,355.50 × 115,386.60
  4. Step 4: Simplify right side
    200,213.04x = 31,887,721,536.30
  5. Step 5: Solve for x
    x = 31,887,721,536.30/200,213.04
  6. Step 6: Final answer
    x = 159,268.95

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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.