Home / 230,869.32-317,889-196,801.44

Finding the Fourth Proportional to 230,869.32, 317,889 and 196,801.44

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Solution

The fourth proportional to 230,869.32, 317,889 and 196,801.44 is: 270,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,869.32 : 317,889 = 196,801.44 : x
  2. Step 2: Convert to fraction form
    230,869.32/317,889 = 196,801.44/x
  3. Step 3: Cross multiply
    230,869.32x = 317,889 × 196,801.44
  4. Step 4: Simplify right side
    230,869.32x = 62,561,012,960.16
  5. Step 5: Solve for x
    x = 62,561,012,960.16/230,869.32
  6. Step 6: Final answer
    x = 270,980.19

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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.