Home / 180,541.36-249,149.69-99,968.73

Finding the Fourth Proportional to 180,541.36, 249,149.69 and 99,968.73

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Solution

The fourth proportional to 180,541.36, 249,149.69 and 99,968.73 is: 137,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,541.36 : 249,149.69 = 99,968.73 : x
  2. Step 2: Convert to fraction form
    180,541.36/249,149.69 = 99,968.73/x
  3. Step 3: Cross multiply
    180,541.36x = 249,149.69 × 99,968.73
  4. Step 4: Simplify right side
    180,541.36x = 24,907,177,093.37
  5. Step 5: Solve for x
    x = 24,907,177,093.37/180,541.36
  6. Step 6: Final answer
    x = 137,958.29

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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.