Home / 323,133.74-445,914.44-187,170.36

Finding the Fourth Proportional to 323,133.74, 445,914.44 and 187,170.36

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Solution

The fourth proportional to 323,133.74, 445,914.44 and 187,170.36 is: 258,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,133.74 : 445,914.44 = 187,170.36 : x
  2. Step 2: Convert to fraction form
    323,133.74/445,914.44 = 187,170.36/x
  3. Step 3: Cross multiply
    323,133.74x = 445,914.44 × 187,170.36
  4. Step 4: Simplify right side
    323,133.74x = 83,461,966,264.00
  5. Step 5: Solve for x
    x = 83,461,966,264.00/323,133.74
  6. Step 6: Final answer
    x = 258,289.23

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1.5x scale

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.