Home / 202,783.07-304,127.42-76,436.03

Finding the Fourth Proportional to 202,783.07, 304,127.42 and 76,436.03

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Solution

The fourth proportional to 202,783.07, 304,127.42 and 76,436.03 is: 114,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,783.07 : 304,127.42 = 76,436.03 : x
  2. Step 2: Convert to fraction form
    202,783.07/304,127.42 = 76,436.03/x
  3. Step 3: Cross multiply
    202,783.07x = 304,127.42 × 76,436.03
  4. Step 4: Simplify right side
    202,783.07x = 23,246,292,598.94
  5. Step 5: Solve for x
    x = 23,246,292,598.94/202,783.07
  6. Step 6: Final answer
    x = 114,636.26

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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.