Home / 121,253.43-181,855.54-32,486.18

Finding the Fourth Proportional to 121,253.43, 181,855.54 and 32,486.18

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Solution

The fourth proportional to 121,253.43, 181,855.54 and 32,486.18 is: 48,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,253.43 : 181,855.54 = 32,486.18 : x
  2. Step 2: Convert to fraction form
    121,253.43/181,855.54 = 32,486.18/x
  3. Step 3: Cross multiply
    121,253.43x = 181,855.54 × 32,486.18
  4. Step 4: Simplify right side
    121,253.43x = 5,907,791,239.19
  5. Step 5: Solve for x
    x = 5,907,791,239.19/121,253.43
  6. Step 6: Final answer
    x = 48,722.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.