Home / 190,564.36-285,644.86-64,084.20

Finding the Fourth Proportional to 190,564.36, 285,644.86 and 64,084.20

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Solution

The fourth proportional to 190,564.36, 285,644.86 and 64,084.20 is: 96,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,564.36 : 285,644.86 = 64,084.20 : x
  2. Step 2: Convert to fraction form
    190,564.36/285,644.86 = 64,084.20/x
  3. Step 3: Cross multiply
    190,564.36x = 285,644.86 × 64,084.20
  4. Step 4: Simplify right side
    190,564.36x = 18,305,322,337.21
  5. Step 5: Solve for x
    x = 18,305,322,337.21/190,564.36
  6. Step 6: Final answer
    x = 96,058.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.