Home / 200,309.04-276,426.72-115,423.92

Finding the Fourth Proportional to 200,309.04, 276,426.72 and 115,423.92

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Solution

The fourth proportional to 200,309.04, 276,426.72 and 115,423.92 is: 159,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,309.04 : 276,426.72 = 115,423.92 : x
  2. Step 2: Convert to fraction form
    200,309.04/276,426.72 = 115,423.92/x
  3. Step 3: Cross multiply
    200,309.04x = 276,426.72 × 115,423.92
  4. Step 4: Simplify right side
    200,309.04x = 31,906,255,615.14
  5. Step 5: Solve for x
    x = 31,906,255,615.14/200,309.04
  6. Step 6: Final answer
    x = 159,285.15

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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.