Home / 186,134.96-256,825.68-105,544.32

Finding the Fourth Proportional to 186,134.96, 256,825.68 and 105,544.32

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Solution

The fourth proportional to 186,134.96, 256,825.68 and 105,544.32 is: 145,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,134.96 : 256,825.68 = 105,544.32 : x
  2. Step 2: Convert to fraction form
    186,134.96/256,825.68 = 105,544.32/x
  3. Step 3: Cross multiply
    186,134.96x = 256,825.68 × 105,544.32
  4. Step 4: Simplify right side
    186,134.96x = 27,106,491,754.14
  5. Step 5: Solve for x
    x = 27,106,491,754.14/186,134.96
  6. Step 6: Final answer
    x = 145,628.16

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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.