Home / 103,208.98-154,683.96-55,822.18

Finding the Fourth Proportional to 103,208.98, 154,683.96 and 55,822.18

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Solution

The fourth proportional to 103,208.98, 154,683.96 and 55,822.18 is: 83,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,208.98 : 154,683.96 = 55,822.18 : x
  2. Step 2: Convert to fraction form
    103,208.98/154,683.96 = 55,822.18/x
  3. Step 3: Cross multiply
    103,208.98x = 154,683.96 × 55,822.18
  4. Step 4: Simplify right side
    103,208.98x = 8,634,795,858.23
  5. Step 5: Solve for x
    x = 8,634,795,858.23/103,208.98
  6. Step 6: Final answer
    x = 83,663.22

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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.