Home / 303,581.04-455,267.88-191,191.92

Finding the Fourth Proportional to 303,581.04, 455,267.88 and 191,191.92

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Solution

The fourth proportional to 303,581.04, 455,267.88 and 191,191.92 is: 286,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,581.04 : 455,267.88 = 191,191.92 : x
  2. Step 2: Convert to fraction form
    303,581.04/455,267.88 = 191,191.92/x
  3. Step 3: Cross multiply
    303,581.04x = 455,267.88 × 191,191.92
  4. Step 4: Simplify right side
    303,581.04x = 87,043,540,091.53
  5. Step 5: Solve for x
    x = 87,043,540,091.53/303,581.04
  6. Step 6: Final answer
    x = 286,722.58

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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.