Home / 302,480.16-453,685.67-80,881.44

Finding the Fourth Proportional to 302,480.16, 453,685.67 and 80,881.44

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Solution

The fourth proportional to 302,480.16, 453,685.67 and 80,881.44 is: 121,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,480.16 : 453,685.67 = 80,881.44 : x
  2. Step 2: Convert to fraction form
    302,480.16/453,685.67 = 80,881.44/x
  3. Step 3: Cross multiply
    302,480.16x = 453,685.67 × 80,881.44
  4. Step 4: Simplify right side
    302,480.16x = 36,694,750,296.96
  5. Step 5: Solve for x
    x = 36,694,750,296.96/302,480.16
  6. Step 6: Final answer
    x = 121,312.92

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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.