Home / 190,629.94-285,946.98-57,511.36

Finding the Fourth Proportional to 190,629.94, 285,946.98 and 57,511.36

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Solution

The fourth proportional to 190,629.94, 285,946.98 and 57,511.36 is: 86,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,629.94 : 285,946.98 = 57,511.36 : x
  2. Step 2: Convert to fraction form
    190,629.94/285,946.98 = 57,511.36/x
  3. Step 3: Cross multiply
    190,629.94x = 285,946.98 × 57,511.36
  4. Step 4: Simplify right side
    190,629.94x = 16,445,199,707.69
  5. Step 5: Solve for x
    x = 16,445,199,707.69/190,629.94
  6. Step 6: Final answer
    x = 86,267.66

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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.