Home / 413,948.22-621,118.32-174,114.60

Finding the Fourth Proportional to 413,948.22, 621,118.32 and 174,114.60

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Solution

The fourth proportional to 413,948.22, 621,118.32 and 174,114.60 is: 261,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,948.22 : 621,118.32 = 174,114.60 : x
  2. Step 2: Convert to fraction form
    413,948.22/621,118.32 = 174,114.60/x
  3. Step 3: Cross multiply
    413,948.22x = 621,118.32 × 174,114.60
  4. Step 4: Simplify right side
    413,948.22x = 108,145,767,839.47
  5. Step 5: Solve for x
    x = 108,145,767,839.47/413,948.22
  6. Step 6: Final answer
    x = 261,254.34

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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.