Home / 162,485.38-243,764.52-57,305.26

Finding the Fourth Proportional to 162,485.38, 243,764.52 and 57,305.26

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Solution

The fourth proportional to 162,485.38, 243,764.52 and 57,305.26 is: 85,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,485.38 : 243,764.52 = 57,305.26 : x
  2. Step 2: Convert to fraction form
    162,485.38/243,764.52 = 57,305.26/x
  3. Step 3: Cross multiply
    162,485.38x = 243,764.52 × 57,305.26
  4. Step 4: Simplify right side
    162,485.38x = 13,968,989,197.38
  5. Step 5: Solve for x
    x = 13,968,989,197.38/162,485.38
  6. Step 6: Final answer
    x = 85,970.75

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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.