Home / 302,003.10-453,002.85-77,363.10

Finding the Fourth Proportional to 302,003.10, 453,002.85 and 77,363.10

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Solution

The fourth proportional to 302,003.10, 453,002.85 and 77,363.10 is: 116,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,003.10 : 453,002.85 = 77,363.10 : x
  2. Step 2: Convert to fraction form
    302,003.10/453,002.85 = 77,363.10/x
  3. Step 3: Cross multiply
    302,003.10x = 453,002.85 × 77,363.10
  4. Step 4: Simplify right side
    302,003.10x = 35,045,704,784.84
  5. Step 5: Solve for x
    x = 35,045,704,784.84/302,003.10
  6. Step 6: Final answer
    x = 116,044.19

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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.