Home / 132,733.32-183,172.23-79,020.20

Finding the Fourth Proportional to 132,733.32, 183,172.23 and 79,020.20

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Solution

The fourth proportional to 132,733.32, 183,172.23 and 79,020.20 is: 109,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,733.32 : 183,172.23 = 79,020.20 : x
  2. Step 2: Convert to fraction form
    132,733.32/183,172.23 = 79,020.20/x
  3. Step 3: Cross multiply
    132,733.32x = 183,172.23 × 79,020.20
  4. Step 4: Simplify right side
    132,733.32x = 14,474,305,333.18
  5. Step 5: Solve for x
    x = 14,474,305,333.18/132,733.32
  6. Step 6: Final answer
    x = 109,048.02

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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.