Home / 284,303.06-426,660.35-111,220.33

Finding the Fourth Proportional to 284,303.06, 426,660.35 and 111,220.33

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Solution

The fourth proportional to 284,303.06, 426,660.35 and 111,220.33 is: 166,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,303.06 : 426,660.35 = 111,220.33 : x
  2. Step 2: Convert to fraction form
    284,303.06/426,660.35 = 111,220.33/x
  3. Step 3: Cross multiply
    284,303.06x = 426,660.35 × 111,220.33
  4. Step 4: Simplify right side
    284,303.06x = 47,453,302,235.51
  5. Step 5: Solve for x
    x = 47,453,302,235.51/284,303.06
  6. Step 6: Final answer
    x = 166,910.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.