Home / 192,631.65-265,813.57-130,415.60

Finding the Fourth Proportional to 192,631.65, 265,813.57 and 130,415.60

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Solution

The fourth proportional to 192,631.65, 265,813.57 and 130,415.60 is: 179,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,631.65 : 265,813.57 = 130,415.60 : x
  2. Step 2: Convert to fraction form
    192,631.65/265,813.57 = 130,415.60/x
  3. Step 3: Cross multiply
    192,631.65x = 265,813.57 × 130,415.60
  4. Step 4: Simplify right side
    192,631.65x = 34,666,236,313.66
  5. Step 5: Solve for x
    x = 34,666,236,313.66/192,631.65
  6. Step 6: Final answer
    x = 179,961.27

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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.