Home / 272,202.28-407,504.97-190,867.28

Finding the Fourth Proportional to 272,202.28, 407,504.97 and 190,867.28

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Solution

The fourth proportional to 272,202.28, 407,504.97 and 190,867.28 is: 285,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,202.28 : 407,504.97 = 190,867.28 : x
  2. Step 2: Convert to fraction form
    272,202.28/407,504.97 = 190,867.28/x
  3. Step 3: Cross multiply
    272,202.28x = 407,504.97 × 190,867.28
  4. Step 4: Simplify right side
    272,202.28x = 77,779,364,397.99
  5. Step 5: Solve for x
    x = 77,779,364,397.99/272,202.28
  6. Step 6: Final answer
    x = 285,741.05

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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.