Home / 256,485.54-353,766.44-180,021.69

Finding the Fourth Proportional to 256,485.54, 353,766.44 and 180,021.69

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Solution

The fourth proportional to 256,485.54, 353,766.44 and 180,021.69 is: 248,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,485.54 : 353,766.44 = 180,021.69 : x
  2. Step 2: Convert to fraction form
    256,485.54/353,766.44 = 180,021.69/x
  3. Step 3: Cross multiply
    256,485.54x = 353,766.44 × 180,021.69
  4. Step 4: Simplify right side
    256,485.54x = 63,685,631,831.52
  5. Step 5: Solve for x
    x = 63,685,631,831.52/256,485.54
  6. Step 6: Final answer
    x = 248,301.06

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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.