Home / 302,623.05-454,440.65-189,035.22

Finding the Fourth Proportional to 302,623.05, 454,440.65 and 189,035.22

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Solution

The fourth proportional to 302,623.05, 454,440.65 and 189,035.22 is: 283,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,623.05 : 454,440.65 = 189,035.22 : x
  2. Step 2: Convert to fraction form
    302,623.05/454,440.65 = 189,035.22/x
  3. Step 3: Cross multiply
    302,623.05x = 454,440.65 × 189,035.22
  4. Step 4: Simplify right side
    302,623.05x = 85,905,287,304.52
  5. Step 5: Solve for x
    x = 85,905,287,304.52/302,623.05
  6. Step 6: Final answer
    x = 283,868.95

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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.