Home / 302,370.20-453,603.30-102,709.40

Finding the Fourth Proportional to 302,370.20, 453,603.30 and 102,709.40

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Solution

The fourth proportional to 302,370.20, 453,603.30 and 102,709.40 is: 154,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,370.20 : 453,603.30 = 102,709.40 : x
  2. Step 2: Convert to fraction form
    302,370.20/453,603.30 = 102,709.40/x
  3. Step 3: Cross multiply
    302,370.20x = 453,603.30 × 102,709.40
  4. Step 4: Simplify right side
    302,370.20x = 46,589,322,781.02
  5. Step 5: Solve for x
    x = 46,589,322,781.02/302,370.20
  6. Step 6: Final answer
    x = 154,080.40

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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.