Home / 190,627.07-285,942.66-57,508.49

Finding the Fourth Proportional to 190,627.07, 285,942.66 and 57,508.49

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Solution

The fourth proportional to 190,627.07, 285,942.66 and 57,508.49 is: 86,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,627.07 : 285,942.66 = 57,508.49 : x
  2. Step 2: Convert to fraction form
    190,627.07/285,942.66 = 57,508.49/x
  3. Step 3: Cross multiply
    190,627.07x = 285,942.66 × 57,508.49
  4. Step 4: Simplify right side
    190,627.07x = 16,444,129,389.13
  5. Step 5: Solve for x
    x = 16,444,129,389.13/190,627.07
  6. Step 6: Final answer
    x = 86,263.35

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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.