Home / 256,198.65-384,407.33-123,010.35

Finding the Fourth Proportional to 256,198.65, 384,407.33 and 123,010.35

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Solution

The fourth proportional to 256,198.65, 384,407.33 and 123,010.35 is: 184,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,198.65 : 384,407.33 = 123,010.35 : x
  2. Step 2: Convert to fraction form
    256,198.65/384,407.33 = 123,010.35/x
  3. Step 3: Cross multiply
    256,198.65x = 384,407.33 × 123,010.35
  4. Step 4: Simplify right side
    256,198.65x = 47,286,079,590.81
  5. Step 5: Solve for x
    x = 47,286,079,590.81/256,198.65
  6. Step 6: Final answer
    x = 184,568.03

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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.