Home / 119,168.03-178,751.89-30,421.53

Finding the Fourth Proportional to 119,168.03, 178,751.89 and 30,421.53

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Solution

The fourth proportional to 119,168.03, 178,751.89 and 30,421.53 is: 45,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,168.03 : 178,751.89 = 30,421.53 : x
  2. Step 2: Convert to fraction form
    119,168.03/178,751.89 = 30,421.53/x
  3. Step 3: Cross multiply
    119,168.03x = 178,751.89 × 30,421.53
  4. Step 4: Simplify right side
    119,168.03x = 5,437,905,832.08
  5. Step 5: Solve for x
    x = 5,437,905,832.08/119,168.03
  6. Step 6: Final answer
    x = 45,632.25

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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.