Home / 186,173.74-256,924.20-105,606.70

Finding the Fourth Proportional to 186,173.74, 256,924.20 and 105,606.70

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Solution

The fourth proportional to 186,173.74, 256,924.20 and 105,606.70 is: 145,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,173.74 : 256,924.20 = 105,606.70 : x
  2. Step 2: Convert to fraction form
    186,173.74/256,924.20 = 105,606.70/x
  3. Step 3: Cross multiply
    186,173.74x = 256,924.20 × 105,606.70
  4. Step 4: Simplify right side
    186,173.74x = 27,132,916,912.14
  5. Step 5: Solve for x
    x = 27,132,916,912.14/186,173.74
  6. Step 6: Final answer
    x = 145,739.76

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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.