Home / 136,282.50-204,431.04-42,795.54

Finding the Fourth Proportional to 136,282.50, 204,431.04 and 42,795.54

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Solution

The fourth proportional to 136,282.50, 204,431.04 and 42,795.54 is: 64,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,282.50 : 204,431.04 = 42,795.54 : x
  2. Step 2: Convert to fraction form
    136,282.50/204,431.04 = 42,795.54/x
  3. Step 3: Cross multiply
    136,282.50x = 204,431.04 × 42,795.54
  4. Step 4: Simplify right side
    136,282.50x = 8,748,736,749.56
  5. Step 5: Solve for x
    x = 8,748,736,749.56/136,282.50
  6. Step 6: Final answer
    x = 64,195.60

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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.