Home / 340,689.24-470,171.80-187,727.25

Finding the Fourth Proportional to 340,689.24, 470,171.80 and 187,727.25

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Solution

The fourth proportional to 340,689.24, 470,171.80 and 187,727.25 is: 259,074.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,689.24 : 470,171.80 = 187,727.25 : x
  2. Step 2: Convert to fraction form
    340,689.24/470,171.80 = 187,727.25/x
  3. Step 3: Cross multiply
    340,689.24x = 470,171.80 × 187,727.25
  4. Step 4: Simplify right side
    340,689.24x = 88,264,057,040.63
  5. Step 5: Solve for x
    x = 88,264,057,040.63/340,689.24
  6. Step 6: Final answer
    x = 259,074.98

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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.