Home / 132,609.45-183,005.00-81,651.58

Finding the Fourth Proportional to 132,609.45, 183,005.00 and 81,651.58

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Solution

The fourth proportional to 132,609.45, 183,005.00 and 81,651.58 is: 112,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,609.45 : 183,005.00 = 81,651.58 : x
  2. Step 2: Convert to fraction form
    132,609.45/183,005.00 = 81,651.58/x
  3. Step 3: Cross multiply
    132,609.45x = 183,005.00 × 81,651.58
  4. Step 4: Simplify right side
    132,609.45x = 14,942,648,059.54
  5. Step 5: Solve for x
    x = 14,942,648,059.54/132,609.45
  6. Step 6: Final answer
    x = 112,681.62

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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.