Home / 258,123.06-356,214.51-144,949.86

Finding the Fourth Proportional to 258,123.06, 356,214.51 and 144,949.86

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Solution

The fourth proportional to 258,123.06, 356,214.51 and 144,949.86 is: 200,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,123.06 : 356,214.51 = 144,949.86 : x
  2. Step 2: Convert to fraction form
    258,123.06/356,214.51 = 144,949.86/x
  3. Step 3: Cross multiply
    258,123.06x = 356,214.51 × 144,949.86
  4. Step 4: Simplify right side
    258,123.06x = 51,633,243,354.47
  5. Step 5: Solve for x
    x = 51,633,243,354.47/258,123.06
  6. Step 6: Final answer
    x = 200,033.44

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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.