Home / 302,984.70-418,383.27-190,002.30

Finding the Fourth Proportional to 302,984.70, 418,383.27 and 190,002.30

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Solution

The fourth proportional to 302,984.70, 418,383.27 and 190,002.30 is: 262,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,984.70 : 418,383.27 = 190,002.30 : x
  2. Step 2: Convert to fraction form
    302,984.70/418,383.27 = 190,002.30/x
  3. Step 3: Cross multiply
    302,984.70x = 418,383.27 × 190,002.30
  4. Step 4: Simplify right side
    302,984.70x = 79,493,783,581.52
  5. Step 5: Solve for x
    x = 79,493,783,581.52/302,984.70
  6. Step 6: Final answer
    x = 262,368.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.