Home / 186,107.45-256,815.64-101,222.69

Finding the Fourth Proportional to 186,107.45, 256,815.64 and 101,222.69

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Solution

The fourth proportional to 186,107.45, 256,815.64 and 101,222.69 is: 139,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,107.45 : 256,815.64 = 101,222.69 : x
  2. Step 2: Convert to fraction form
    186,107.45/256,815.64 = 101,222.69/x
  3. Step 3: Cross multiply
    186,107.45x = 256,815.64 × 101,222.69
  4. Step 4: Simplify right side
    186,107.45x = 25,995,569,914.87
  5. Step 5: Solve for x
    x = 25,995,569,914.87/186,107.45
  6. Step 6: Final answer
    x = 139,680.44

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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.