Home / 219,987.38-303,586.22-119,385.38

Finding the Fourth Proportional to 219,987.38, 303,586.22 and 119,385.38

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Solution

The fourth proportional to 219,987.38, 303,586.22 and 119,385.38 is: 164,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,987.38 : 303,586.22 = 119,385.38 : x
  2. Step 2: Convert to fraction form
    219,987.38/303,586.22 = 119,385.38/x
  3. Step 3: Cross multiply
    219,987.38x = 303,586.22 × 119,385.38
  4. Step 4: Simplify right side
    219,987.38x = 36,243,755,018.00
  5. Step 5: Solve for x
    x = 36,243,755,018.00/219,987.38
  6. Step 6: Final answer
    x = 164,753.80

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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.