Home / 103,360.03-155,040.65-36,802.73

Finding the Fourth Proportional to 103,360.03, 155,040.65 and 36,802.73

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Solution

The fourth proportional to 103,360.03, 155,040.65 and 36,802.73 is: 55,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,360.03 : 155,040.65 = 36,802.73 : x
  2. Step 2: Convert to fraction form
    103,360.03/155,040.65 = 36,802.73/x
  3. Step 3: Cross multiply
    103,360.03x = 155,040.65 × 36,802.73
  4. Step 4: Simplify right side
    103,360.03x = 5,705,919,180.97
  5. Step 5: Solve for x
    x = 5,705,919,180.97/103,360.03
  6. Step 6: Final answer
    x = 55,204.31

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1.5x scale

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.