Home / 235,895.30-325,533.28-128,467.13

Finding the Fourth Proportional to 235,895.30, 325,533.28 and 128,467.13

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Solution

The fourth proportional to 235,895.30, 325,533.28 and 128,467.13 is: 177,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,895.30 : 325,533.28 = 128,467.13 : x
  2. Step 2: Convert to fraction form
    235,895.30/325,533.28 = 128,467.13/x
  3. Step 3: Cross multiply
    235,895.30x = 325,533.28 × 128,467.13
  4. Step 4: Simplify right side
    235,895.30x = 41,820,326,324.25
  5. Step 5: Solve for x
    x = 41,820,326,324.25/235,895.30
  6. Step 6: Final answer
    x = 177,283.42

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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.