Home / 340,116.57-469,365.13-187,172.37

Finding the Fourth Proportional to 340,116.57, 469,365.13 and 187,172.37

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Solution

The fourth proportional to 340,116.57, 469,365.13 and 187,172.37 is: 258,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,116.57 : 469,365.13 = 187,172.37 : x
  2. Step 2: Convert to fraction form
    340,116.57/469,365.13 = 187,172.37/x
  3. Step 3: Cross multiply
    340,116.57x = 469,365.13 × 187,172.37
  4. Step 4: Simplify right side
    340,116.57x = 87,852,184,011.42
  5. Step 5: Solve for x
    x = 87,852,184,011.42/340,116.57
  6. Step 6: Final answer
    x = 258,300.22

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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.