Home / 136,525.42-204,880.35-47,779.69

Finding the Fourth Proportional to 136,525.42, 204,880.35 and 47,779.69

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Solution

The fourth proportional to 136,525.42, 204,880.35 and 47,779.69 is: 71,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,525.42 : 204,880.35 = 47,779.69 : x
  2. Step 2: Convert to fraction form
    136,525.42/204,880.35 = 47,779.69/x
  3. Step 3: Cross multiply
    136,525.42x = 204,880.35 × 47,779.69
  4. Step 4: Simplify right side
    136,525.42x = 9,789,119,610.09
  5. Step 5: Solve for x
    x = 9,789,119,610.09/136,525.42
  6. Step 6: Final answer
    x = 71,701.81

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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.