Home / 132,287.18-182,556.72-71,858.75

Finding the Fourth Proportional to 132,287.18, 182,556.72 and 71,858.75

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Solution

The fourth proportional to 132,287.18, 182,556.72 and 71,858.75 is: 99,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,287.18 : 182,556.72 = 71,858.75 : x
  2. Step 2: Convert to fraction form
    132,287.18/182,556.72 = 71,858.75/x
  3. Step 3: Cross multiply
    132,287.18x = 182,556.72 × 71,858.75
  4. Step 4: Simplify right side
    132,287.18x = 13,118,296,790.52
  5. Step 5: Solve for x
    x = 13,118,296,790.52/132,287.18
  6. Step 6: Final answer
    x = 99,165.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.