Home / 356,721.49-492,280.44-195,576.14

Finding the Fourth Proportional to 356,721.49, 492,280.44 and 195,576.14

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Solution

The fourth proportional to 356,721.49, 492,280.44 and 195,576.14 is: 269,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,721.49 : 492,280.44 = 195,576.14 : x
  2. Step 2: Convert to fraction form
    356,721.49/492,280.44 = 195,576.14/x
  3. Step 3: Cross multiply
    356,721.49x = 492,280.44 × 195,576.14
  4. Step 4: Simplify right side
    356,721.49x = 96,278,305,980.91
  5. Step 5: Solve for x
    x = 96,278,305,980.91/356,721.49
  6. Step 6: Final answer
    x = 269,897.69

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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.