Home / 307,905.90-461,858.85-181,934.70

Finding the Fourth Proportional to 307,905.90, 461,858.85 and 181,934.70

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Solution

The fourth proportional to 307,905.90, 461,858.85 and 181,934.70 is: 272,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,905.90 : 461,858.85 = 181,934.70 : x
  2. Step 2: Convert to fraction form
    307,905.90/461,858.85 = 181,934.70/x
  3. Step 3: Cross multiply
    307,905.90x = 461,858.85 × 181,934.70
  4. Step 4: Simplify right side
    307,905.90x = 84,028,151,317.10
  5. Step 5: Solve for x
    x = 84,028,151,317.10/307,905.90
  6. Step 6: Final answer
    x = 272,902.05

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Similar ratio
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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.