Home / 147,232.10-203,165.04-82,708.58

Finding the Fourth Proportional to 147,232.10, 203,165.04 and 82,708.58

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Solution

The fourth proportional to 147,232.10, 203,165.04 and 82,708.58 is: 114,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,232.10 : 203,165.04 = 82,708.58 : x
  2. Step 2: Convert to fraction form
    147,232.10/203,165.04 = 82,708.58/x
  3. Step 3: Cross multiply
    147,232.10x = 203,165.04 × 82,708.58
  4. Step 4: Simplify right side
    147,232.10x = 16,803,491,964.04
  5. Step 5: Solve for x
    x = 16,803,491,964.04/147,232.10
  6. Step 6: Final answer
    x = 114,129.27

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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.