Home / 147,225.43-203,176.09-82,706.05

Finding the Fourth Proportional to 147,225.43, 203,176.09 and 82,706.05

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Solution

The fourth proportional to 147,225.43, 203,176.09 and 82,706.05 is: 114,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,225.43 : 203,176.09 = 82,706.05 : x
  2. Step 2: Convert to fraction form
    147,225.43/203,176.09 = 82,706.05/x
  3. Step 3: Cross multiply
    147,225.43x = 203,176.09 × 82,706.05
  4. Step 4: Simplify right side
    147,225.43x = 16,803,891,858.34
  5. Step 5: Solve for x
    x = 16,803,891,858.34/147,225.43
  6. Step 6: Final answer
    x = 114,137.16

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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.