Home / 181,619.35-250,630.79-105,141.68

Finding the Fourth Proportional to 181,619.35, 250,630.79 and 105,141.68

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Solution

The fourth proportional to 181,619.35, 250,630.79 and 105,141.68 is: 145,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,619.35 : 250,630.79 = 105,141.68 : x
  2. Step 2: Convert to fraction form
    181,619.35/250,630.79 = 105,141.68/x
  3. Step 3: Cross multiply
    181,619.35x = 250,630.79 × 105,141.68
  4. Step 4: Simplify right side
    181,619.35x = 26,351,742,072.75
  5. Step 5: Solve for x
    x = 26,351,742,072.75/181,619.35
  6. Step 6: Final answer
    x = 145,093.25

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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.