Home / 255,902.09-383,902.36-98,118.25

Finding the Fourth Proportional to 255,902.09, 383,902.36 and 98,118.25

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Solution

The fourth proportional to 255,902.09, 383,902.36 and 98,118.25 is: 147,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,902.09 : 383,902.36 = 98,118.25 : x
  2. Step 2: Convert to fraction form
    255,902.09/383,902.36 = 98,118.25/x
  3. Step 3: Cross multiply
    255,902.09x = 383,902.36 × 98,118.25
  4. Step 4: Simplify right side
    255,902.09x = 37,667,826,529.02
  5. Step 5: Solve for x
    x = 37,667,826,529.02/255,902.09
  6. Step 6: Final answer
    x = 147,196.25

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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.