Home / 162,530.90-243,735.72-55,884.68

Finding the Fourth Proportional to 162,530.90, 243,735.72 and 55,884.68

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Solution

The fourth proportional to 162,530.90, 243,735.72 and 55,884.68 is: 83,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,530.90 : 243,735.72 = 55,884.68 : x
  2. Step 2: Convert to fraction form
    162,530.90/243,735.72 = 55,884.68/x
  3. Step 3: Cross multiply
    162,530.90x = 243,735.72 × 55,884.68
  4. Step 4: Simplify right side
    162,530.90x = 13,621,092,716.77
  5. Step 5: Solve for x
    x = 13,621,092,716.77/162,530.90
  6. Step 6: Final answer
    x = 83,806.17

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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.