Home / 179,871.12-269,811-61,541.64

Finding the Fourth Proportional to 179,871.12, 269,811 and 61,541.64

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Solution

The fourth proportional to 179,871.12, 269,811 and 61,541.64 is: 92,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,871.12 : 269,811 = 61,541.64 : x
  2. Step 2: Convert to fraction form
    179,871.12/269,811 = 61,541.64/x
  3. Step 3: Cross multiply
    179,871.12x = 269,811 × 61,541.64
  4. Step 4: Simplify right side
    179,871.12x = 16,604,611,430.04
  5. Step 5: Solve for x
    x = 16,604,611,430.04/179,871.12
  6. Step 6: Final answer
    x = 92,313.94

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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.