Home / 190,636.92-285,957.30-57,518.28

Finding the Fourth Proportional to 190,636.92, 285,957.30 and 57,518.28

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Solution

The fourth proportional to 190,636.92, 285,957.30 and 57,518.28 is: 86,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,636.92 : 285,957.30 = 57,518.28 : x
  2. Step 2: Convert to fraction form
    190,636.92/285,957.30 = 57,518.28/x
  3. Step 3: Cross multiply
    190,636.92x = 285,957.30 × 57,518.28
  4. Step 4: Simplify right side
    190,636.92x = 16,447,772,049.44
  5. Step 5: Solve for x
    x = 16,447,772,049.44/190,636.92
  6. Step 6: Final answer
    x = 86,278.00

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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.