Home / 180,023.02-248,431.00-99,450.55

Finding the Fourth Proportional to 180,023.02, 248,431.00 and 99,450.55

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Solution

The fourth proportional to 180,023.02, 248,431.00 and 99,450.55 is: 137,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,023.02 : 248,431.00 = 99,450.55 : x
  2. Step 2: Convert to fraction form
    180,023.02/248,431.00 = 99,450.55/x
  3. Step 3: Cross multiply
    180,023.02x = 248,431.00 × 99,450.55
  4. Step 4: Simplify right side
    180,023.02x = 24,706,599,835.43
  5. Step 5: Solve for x
    x = 24,706,599,835.43/180,023.02
  6. Step 6: Final answer
    x = 137,241.33

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1.5x scale

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.