Home / 184,959.09-255,243.69-128,403.27

Finding the Fourth Proportional to 184,959.09, 255,243.69 and 128,403.27

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Solution

The fourth proportional to 184,959.09, 255,243.69 and 128,403.27 is: 177,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,959.09 : 255,243.69 = 128,403.27 : x
  2. Step 2: Convert to fraction form
    184,959.09/255,243.69 = 128,403.27/x
  3. Step 3: Cross multiply
    184,959.09x = 255,243.69 × 128,403.27
  4. Step 4: Simplify right side
    184,959.09x = 32,774,124,442.87
  5. Step 5: Solve for x
    x = 32,774,124,442.87/184,959.09
  6. Step 6: Final answer
    x = 177,196.61

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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.