Home / 168,918.12-253,347.98-50,557.72

Finding the Fourth Proportional to 168,918.12, 253,347.98 and 50,557.72

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Solution

The fourth proportional to 168,918.12, 253,347.98 and 50,557.72 is: 75,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,918.12 : 253,347.98 = 50,557.72 : x
  2. Step 2: Convert to fraction form
    168,918.12/253,347.98 = 50,557.72/x
  3. Step 3: Cross multiply
    168,918.12x = 253,347.98 × 50,557.72
  4. Step 4: Simplify right side
    168,918.12x = 12,808,696,235.41
  5. Step 5: Solve for x
    x = 12,808,696,235.41/168,918.12
  6. Step 6: Final answer
    x = 75,827.84

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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.