Home / 168,455.14-252,501.27-89,489.86

Finding the Fourth Proportional to 168,455.14, 252,501.27 and 89,489.86

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Solution

The fourth proportional to 168,455.14, 252,501.27 and 89,489.86 is: 134,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,455.14 : 252,501.27 = 89,489.86 : x
  2. Step 2: Convert to fraction form
    168,455.14/252,501.27 = 89,489.86/x
  3. Step 3: Cross multiply
    168,455.14x = 252,501.27 × 89,489.86
  4. Step 4: Simplify right side
    168,455.14x = 22,596,303,302.12
  5. Step 5: Solve for x
    x = 22,596,303,302.12/168,455.14
  6. Step 6: Final answer
    x = 134,138.40

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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.