Home / 200,434.65-276,623.15-115,554.75

Finding the Fourth Proportional to 200,434.65, 276,623.15 and 115,554.75

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Solution

The fourth proportional to 200,434.65, 276,623.15 and 115,554.75 is: 159,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,434.65 : 276,623.15 = 115,554.75 : x
  2. Step 2: Convert to fraction form
    200,434.65/276,623.15 = 115,554.75/x
  3. Step 3: Cross multiply
    200,434.65x = 276,623.15 × 115,554.75
  4. Step 4: Simplify right side
    200,434.65x = 31,965,118,364.69
  5. Step 5: Solve for x
    x = 31,965,118,364.69/200,434.65
  6. Step 6: Final answer
    x = 159,479.00

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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.