Home / 256,040.01-383,937.33-120,991.68

Finding the Fourth Proportional to 256,040.01, 383,937.33 and 120,991.68

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Solution

The fourth proportional to 256,040.01, 383,937.33 and 120,991.68 is: 181,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,040.01 : 383,937.33 = 120,991.68 : x
  2. Step 2: Convert to fraction form
    256,040.01/383,937.33 = 120,991.68/x
  3. Step 3: Cross multiply
    256,040.01x = 383,937.33 × 120,991.68
  4. Step 4: Simplify right side
    256,040.01x = 46,453,221,966.46
  5. Step 5: Solve for x
    x = 46,453,221,966.46/256,040.01
  6. Step 6: Final answer
    x = 181,429.54

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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.