Home / 181,196.11-250,061.75-100,624.20

Finding the Fourth Proportional to 181,196.11, 250,061.75 and 100,624.20

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Solution

The fourth proportional to 181,196.11, 250,061.75 and 100,624.20 is: 138,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,196.11 : 250,061.75 = 100,624.20 : x
  2. Step 2: Convert to fraction form
    181,196.11/250,061.75 = 100,624.20/x
  3. Step 3: Cross multiply
    181,196.11x = 250,061.75 × 100,624.20
  4. Step 4: Simplify right side
    181,196.11x = 25,162,263,544.35
  5. Step 5: Solve for x
    x = 25,162,263,544.35/181,196.11
  6. Step 6: Final answer
    x = 138,867.57

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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.