Home / 132,609.05-183,004.44-81,651.17

Finding the Fourth Proportional to 132,609.05, 183,004.44 and 81,651.17

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Solution

The fourth proportional to 132,609.05, 183,004.44 and 81,651.17 is: 112,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,609.05 : 183,004.44 = 81,651.17 : x
  2. Step 2: Convert to fraction form
    132,609.05/183,004.44 = 81,651.17/x
  3. Step 3: Cross multiply
    132,609.05x = 183,004.44 × 81,651.17
  4. Step 4: Simplify right side
    132,609.05x = 14,942,526,641.19
  5. Step 5: Solve for x
    x = 14,942,526,641.19/132,609.05
  6. Step 6: Final answer
    x = 112,681.05

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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.