Home / 180,054.56-248,480.31-99,487.28

Finding the Fourth Proportional to 180,054.56, 248,480.31 and 99,487.28

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Solution

The fourth proportional to 180,054.56, 248,480.31 and 99,487.28 is: 137,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,054.56 : 248,480.31 = 99,487.28 : x
  2. Step 2: Convert to fraction form
    180,054.56/248,480.31 = 99,487.28/x
  3. Step 3: Cross multiply
    180,054.56x = 248,480.31 × 99,487.28
  4. Step 4: Simplify right side
    180,054.56x = 24,720,630,175.46
  5. Step 5: Solve for x
    x = 24,720,630,175.46/180,054.56
  6. Step 6: Final answer
    x = 137,295.22

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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.