Home / 186,743.80-280,072.98-53,623

Finding the Fourth Proportional to 186,743.80, 280,072.98 and 53,623

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Solution

The fourth proportional to 186,743.80, 280,072.98 and 53,623 is: 80,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,743.80 : 280,072.98 = 53,623 : x
  2. Step 2: Convert to fraction form
    186,743.80/280,072.98 = 53,623/x
  3. Step 3: Cross multiply
    186,743.80x = 280,072.98 × 53,623
  4. Step 4: Simplify right side
    186,743.80x = 15,018,353,406.54
  5. Step 5: Solve for x
    x = 15,018,353,406.54/186,743.80
  6. Step 6: Final answer
    x = 80,422.23

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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.