Home / 180,242.74-248,736.60-99,675.72

Finding the Fourth Proportional to 180,242.74, 248,736.60 and 99,675.72

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Solution

The fourth proportional to 180,242.74, 248,736.60 and 99,675.72 is: 137,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,242.74 : 248,736.60 = 99,675.72 : x
  2. Step 2: Convert to fraction form
    180,242.74/248,736.60 = 99,675.72/x
  3. Step 3: Cross multiply
    180,242.74x = 248,736.60 × 99,675.72
  4. Step 4: Simplify right side
    180,242.74x = 24,792,999,695.35
  5. Step 5: Solve for x
    x = 24,792,999,695.35/180,242.74
  6. Step 6: Final answer
    x = 137,553.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.