Home / 180,026.79-248,429.46-103,540.11

Finding the Fourth Proportional to 180,026.79, 248,429.46 and 103,540.11

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Solution

The fourth proportional to 180,026.79, 248,429.46 and 103,540.11 is: 142,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,026.79 : 248,429.46 = 103,540.11 : x
  2. Step 2: Convert to fraction form
    180,026.79/248,429.46 = 103,540.11/x
  3. Step 3: Cross multiply
    180,026.79x = 248,429.46 × 103,540.11
  4. Step 4: Simplify right side
    180,026.79x = 25,722,413,615.64
  5. Step 5: Solve for x
    x = 25,722,413,615.64/180,026.79
  6. Step 6: Final answer
    x = 142,881.03

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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.