Home / 168,468.05-252,762.22-72,364.89

Finding the Fourth Proportional to 168,468.05, 252,762.22 and 72,364.89

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Solution

The fourth proportional to 168,468.05, 252,762.22 and 72,364.89 is: 108,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,468.05 : 252,762.22 = 72,364.89 : x
  2. Step 2: Convert to fraction form
    168,468.05/252,762.22 = 72,364.89/x
  3. Step 3: Cross multiply
    168,468.05x = 252,762.22 × 72,364.89
  4. Step 4: Simplify right side
    168,468.05x = 18,291,111,284.77
  5. Step 5: Solve for x
    x = 18,291,111,284.77/168,468.05
  6. Step 6: Final answer
    x = 108,573.17

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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.