Home / 302,337.18-453,490.77-112,782.78

Finding the Fourth Proportional to 302,337.18, 453,490.77 and 112,782.78

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Solution

The fourth proportional to 302,337.18, 453,490.77 and 112,782.78 is: 169,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,337.18 : 453,490.77 = 112,782.78 : x
  2. Step 2: Convert to fraction form
    302,337.18/453,490.77 = 112,782.78/x
  3. Step 3: Cross multiply
    302,337.18x = 453,490.77 × 112,782.78
  4. Step 4: Simplify right side
    302,337.18x = 51,145,949,744.94
  5. Step 5: Solve for x
    x = 51,145,949,744.94/302,337.18
  6. Step 6: Final answer
    x = 169,168.57

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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.