Home / 258,157.07-356,308.01-164,963.23

Finding the Fourth Proportional to 258,157.07, 356,308.01 and 164,963.23

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Solution

The fourth proportional to 258,157.07, 356,308.01 and 164,963.23 is: 227,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,157.07 : 356,308.01 = 164,963.23 : x
  2. Step 2: Convert to fraction form
    258,157.07/356,308.01 = 164,963.23/x
  3. Step 3: Cross multiply
    258,157.07x = 356,308.01 × 164,963.23
  4. Step 4: Simplify right side
    258,157.07x = 58,777,722,039.65
  5. Step 5: Solve for x
    x = 58,777,722,039.65/258,157.07
  6. Step 6: Final answer
    x = 227,682.01

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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.