Home / 132,732.80-183,196.32-76,181.12

Finding the Fourth Proportional to 132,732.80, 183,196.32 and 76,181.12

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Solution

The fourth proportional to 132,732.80, 183,196.32 and 76,181.12 is: 105,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,732.80 : 183,196.32 = 76,181.12 : x
  2. Step 2: Convert to fraction form
    132,732.80/183,196.32 = 76,181.12/x
  3. Step 3: Cross multiply
    132,732.80x = 183,196.32 × 76,181.12
  4. Step 4: Simplify right side
    132,732.80x = 13,956,100,837.48
  5. Step 5: Solve for x
    x = 13,956,100,837.48/132,732.80
  6. Step 6: Final answer
    x = 105,144.33

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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.