Home / 255,399.18-352,450.86-148,031.49

Finding the Fourth Proportional to 255,399.18, 352,450.86 and 148,031.49

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Solution

The fourth proportional to 255,399.18, 352,450.86 and 148,031.49 is: 204,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,399.18 : 352,450.86 = 148,031.49 : x
  2. Step 2: Convert to fraction form
    255,399.18/352,450.86 = 148,031.49/x
  3. Step 3: Cross multiply
    255,399.18x = 352,450.86 × 148,031.49
  4. Step 4: Simplify right side
    255,399.18x = 52,173,824,195.33
  5. Step 5: Solve for x
    x = 52,173,824,195.33/255,399.18
  6. Step 6: Final answer
    x = 204,283.45

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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.