Home / 312,226.50-430,871.76-168,986.55

Finding the Fourth Proportional to 312,226.50, 430,871.76 and 168,986.55

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Solution

The fourth proportional to 312,226.50, 430,871.76 and 168,986.55 is: 233,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,226.50 : 430,871.76 = 168,986.55 : x
  2. Step 2: Convert to fraction form
    312,226.50/430,871.76 = 168,986.55/x
  3. Step 3: Cross multiply
    312,226.50x = 430,871.76 × 168,986.55
  4. Step 4: Simplify right side
    312,226.50x = 72,811,532,214.83
  5. Step 5: Solve for x
    x = 72,811,532,214.83/312,226.50
  6. Step 6: Final answer
    x = 233,201.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.