Home / 340,461.39-509,731.95-180,174.27

Finding the Fourth Proportional to 340,461.39, 509,731.95 and 180,174.27

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Solution

The fourth proportional to 340,461.39, 509,731.95 and 180,174.27 is: 269,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,461.39 : 509,731.95 = 180,174.27 : x
  2. Step 2: Convert to fraction form
    340,461.39/509,731.95 = 180,174.27/x
  3. Step 3: Cross multiply
    340,461.39x = 509,731.95 × 180,174.27
  4. Step 4: Simplify right side
    340,461.39x = 91,840,581,986.93
  5. Step 5: Solve for x
    x = 91,840,581,986.93/340,461.39
  6. Step 6: Final answer
    x = 269,753.30

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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.