Home / 147,230.10-203,162.28-82,706.58

Finding the Fourth Proportional to 147,230.10, 203,162.28 and 82,706.58

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Solution

The fourth proportional to 147,230.10, 203,162.28 and 82,706.58 is: 114,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230.10 : 203,162.28 = 82,706.58 : x
  2. Step 2: Convert to fraction form
    147,230.10/203,162.28 = 82,706.58/x
  3. Step 3: Cross multiply
    147,230.10x = 203,162.28 × 82,706.58
  4. Step 4: Simplify right side
    147,230.10x = 16,802,857,363.80
  5. Step 5: Solve for x
    x = 16,802,857,363.80/147,230.10
  6. Step 6: Final answer
    x = 114,126.51

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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.