Home / 162,537.12-243,745.04-55,890.90

Finding the Fourth Proportional to 162,537.12, 243,745.04 and 55,890.90

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Solution

The fourth proportional to 162,537.12, 243,745.04 and 55,890.90 is: 83,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,537.12 : 243,745.04 = 55,890.90 : x
  2. Step 2: Convert to fraction form
    162,537.12/243,745.04 = 55,890.90/x
  3. Step 3: Cross multiply
    162,537.12x = 243,745.04 × 55,890.90
  4. Step 4: Simplify right side
    162,537.12x = 13,623,129,656.14
  5. Step 5: Solve for x
    x = 13,623,129,656.14/162,537.12
  6. Step 6: Final answer
    x = 83,815.50

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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.