Home / 162,540.12-243,749.54-55,893.90

Finding the Fourth Proportional to 162,540.12, 243,749.54 and 55,893.90

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Solution

The fourth proportional to 162,540.12, 243,749.54 and 55,893.90 is: 83,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,540.12 : 243,749.54 = 55,893.90 : x
  2. Step 2: Convert to fraction form
    162,540.12/243,749.54 = 55,893.90/x
  3. Step 3: Cross multiply
    162,540.12x = 243,749.54 × 55,893.90
  4. Step 4: Simplify right side
    162,540.12x = 13,624,112,413.81
  5. Step 5: Solve for x
    x = 13,624,112,413.81/162,540.12
  6. Step 6: Final answer
    x = 83,820.00

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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.