Home / 186,231.52-256,998.96-105,674.80

Finding the Fourth Proportional to 186,231.52, 256,998.96 and 105,674.80

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Solution

The fourth proportional to 186,231.52, 256,998.96 and 105,674.80 is: 145,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,231.52 : 256,998.96 = 105,674.80 : x
  2. Step 2: Convert to fraction form
    186,231.52/256,998.96 = 105,674.80/x
  3. Step 3: Cross multiply
    186,231.52x = 256,998.96 × 105,674.80
  4. Step 4: Simplify right side
    186,231.52x = 27,158,313,698.21
  5. Step 5: Solve for x
    x = 27,158,313,698.21/186,231.52
  6. Step 6: Final answer
    x = 145,830.92

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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.