Home / 340,247.45-469,543.16-187,300.96

Finding the Fourth Proportional to 340,247.45, 469,543.16 and 187,300.96

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Solution

The fourth proportional to 340,247.45, 469,543.16 and 187,300.96 is: 258,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,247.45 : 469,543.16 = 187,300.96 : x
  2. Step 2: Convert to fraction form
    340,247.45/469,543.16 = 187,300.96/x
  3. Step 3: Cross multiply
    340,247.45x = 469,543.16 × 187,300.96
  4. Step 4: Simplify right side
    340,247.45x = 87,945,883,923.83
  5. Step 5: Solve for x
    x = 87,945,883,923.83/340,247.45
  6. Step 6: Final answer
    x = 258,476.25

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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.