Home / 302,466.53-453,665.23-80,867.81

Finding the Fourth Proportional to 302,466.53, 453,665.23 and 80,867.81

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Solution

The fourth proportional to 302,466.53, 453,665.23 and 80,867.81 is: 121,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,466.53 : 453,665.23 = 80,867.81 : x
  2. Step 2: Convert to fraction form
    302,466.53/453,665.23 = 80,867.81/x
  3. Step 3: Cross multiply
    302,466.53x = 453,665.23 × 80,867.81
  4. Step 4: Simplify right side
    302,466.53x = 36,686,913,623.25
  5. Step 5: Solve for x
    x = 36,686,913,623.25/302,466.53
  6. Step 6: Final answer
    x = 121,292.47

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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.