Home / 201,899.70-302,849.55-192,714.30

Finding the Fourth Proportional to 201,899.70, 302,849.55 and 192,714.30

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Solution

The fourth proportional to 201,899.70, 302,849.55 and 192,714.30 is: 289,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,899.70 : 302,849.55 = 192,714.30 : x
  2. Step 2: Convert to fraction form
    201,899.70/302,849.55 = 192,714.30/x
  3. Step 3: Cross multiply
    201,899.70x = 302,849.55 × 192,714.30
  4. Step 4: Simplify right side
    201,899.70x = 58,363,439,033.57
  5. Step 5: Solve for x
    x = 58,363,439,033.57/201,899.70
  6. Step 6: Final answer
    x = 289,071.45

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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.