Home / 302,822.20-454,233.30-190,847.80

Finding the Fourth Proportional to 302,822.20, 454,233.30 and 190,847.80

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Solution

The fourth proportional to 302,822.20, 454,233.30 and 190,847.80 is: 286,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,822.20 : 454,233.30 = 190,847.80 : x
  2. Step 2: Convert to fraction form
    302,822.20/454,233.30 = 190,847.80/x
  3. Step 3: Cross multiply
    302,822.20x = 454,233.30 × 190,847.80
  4. Step 4: Simplify right side
    302,822.20x = 86,689,425,991.74
  5. Step 5: Solve for x
    x = 86,689,425,991.74/302,822.20
  6. Step 6: Final answer
    x = 286,271.70

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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.