Home / 351,148.06-484,580.68-189,999.55

Finding the Fourth Proportional to 351,148.06, 484,580.68 and 189,999.55

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Solution

The fourth proportional to 351,148.06, 484,580.68 and 189,999.55 is: 262,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,148.06 : 484,580.68 = 189,999.55 : x
  2. Step 2: Convert to fraction form
    351,148.06/484,580.68 = 189,999.55/x
  3. Step 3: Cross multiply
    351,148.06x = 484,580.68 × 189,999.55
  4. Step 4: Simplify right side
    351,148.06x = 92,070,111,138.69
  5. Step 5: Solve for x
    x = 92,070,111,138.69/351,148.06
  6. Step 6: Final answer
    x = 262,197.41

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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.