Home / 400,059.09-552,081.52-218,771.14

Finding the Fourth Proportional to 400,059.09, 552,081.52 and 218,771.14

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Solution

The fourth proportional to 400,059.09, 552,081.52 and 218,771.14 is: 301,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,059.09 : 552,081.52 = 218,771.14 : x
  2. Step 2: Convert to fraction form
    400,059.09/552,081.52 = 218,771.14/x
  3. Step 3: Cross multiply
    400,059.09x = 552,081.52 × 218,771.14
  4. Step 4: Simplify right side
    400,059.09x = 120,779,503,503.33
  5. Step 5: Solve for x
    x = 120,779,503,503.33/400,059.09
  6. Step 6: Final answer
    x = 301,904.16

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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.