Home / 162,027.64-243,070.27-55,423.44

Finding the Fourth Proportional to 162,027.64, 243,070.27 and 55,423.44

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Solution

The fourth proportional to 162,027.64, 243,070.27 and 55,423.44 is: 83,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,027.64 : 243,070.27 = 55,423.44 : x
  2. Step 2: Convert to fraction form
    162,027.64/243,070.27 = 55,423.44/x
  3. Step 3: Cross multiply
    162,027.64x = 243,070.27 × 55,423.44
  4. Step 4: Simplify right side
    162,027.64x = 13,471,790,386.57
  5. Step 5: Solve for x
    x = 13,471,790,386.57/162,027.64
  6. Step 6: Final answer
    x = 83,145.01

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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.