Home / 302,153.40-453,558.15-189,960.30

Finding the Fourth Proportional to 302,153.40, 453,558.15 and 189,960.30

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Solution

The fourth proportional to 302,153.40, 453,558.15 and 189,960.30 is: 285,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,153.40 : 453,558.15 = 189,960.30 : x
  2. Step 2: Convert to fraction form
    302,153.40/453,558.15 = 189,960.30/x
  3. Step 3: Cross multiply
    302,153.40x = 453,558.15 × 189,960.30
  4. Step 4: Simplify right side
    302,153.40x = 86,158,042,241.45
  5. Step 5: Solve for x
    x = 86,158,042,241.45/302,153.40
  6. Step 6: Final answer
    x = 285,146.69

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1.5x scale

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.