Home / 159,412.10-238,855.69-111,385.58

Finding the Fourth Proportional to 159,412.10, 238,855.69 and 111,385.58

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Solution

The fourth proportional to 159,412.10, 238,855.69 and 111,385.58 is: 166,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,412.10 : 238,855.69 = 111,385.58 : x
  2. Step 2: Convert to fraction form
    159,412.10/238,855.69 = 111,385.58/x
  3. Step 3: Cross multiply
    159,412.10x = 238,855.69 × 111,385.58
  4. Step 4: Simplify right side
    159,412.10x = 26,605,079,010.02
  5. Step 5: Solve for x
    x = 26,605,079,010.02/159,412.10
  6. Step 6: Final answer
    x = 166,894.98

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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.