Home / 231,239.24-318,995.52-180,160.64

Finding the Fourth Proportional to 231,239.24, 318,995.52 and 180,160.64

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Solution

The fourth proportional to 231,239.24, 318,995.52 and 180,160.64 is: 248,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,239.24 : 318,995.52 = 180,160.64 : x
  2. Step 2: Convert to fraction form
    231,239.24/318,995.52 = 180,160.64/x
  3. Step 3: Cross multiply
    231,239.24x = 318,995.52 × 180,160.64
  4. Step 4: Simplify right side
    231,239.24x = 57,470,437,040.33
  5. Step 5: Solve for x
    x = 57,470,437,040.33/231,239.24
  6. Step 6: Final answer
    x = 248,532.37

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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.