Home / 132,213.87-182,455.74-71,784.90

Finding the Fourth Proportional to 132,213.87, 182,455.74 and 71,784.90

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Solution

The fourth proportional to 132,213.87, 182,455.74 and 71,784.90 is: 99,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,213.87 : 182,455.74 = 71,784.90 : x
  2. Step 2: Convert to fraction form
    132,213.87/182,455.74 = 71,784.90/x
  3. Step 3: Cross multiply
    132,213.87x = 182,455.74 × 71,784.90
  4. Step 4: Simplify right side
    132,213.87x = 13,097,567,050.33
  5. Step 5: Solve for x
    x = 13,097,567,050.33/132,213.87
  6. Step 6: Final answer
    x = 99,063.49

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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.