Home / 187,028.04-258,094.71-102,145.44

Finding the Fourth Proportional to 187,028.04, 258,094.71 and 102,145.44

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Solution

The fourth proportional to 187,028.04, 258,094.71 and 102,145.44 is: 140,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,028.04 : 258,094.71 = 102,145.44 : x
  2. Step 2: Convert to fraction form
    187,028.04/258,094.71 = 102,145.44/x
  3. Step 3: Cross multiply
    187,028.04x = 258,094.71 × 102,145.44
  4. Step 4: Simplify right side
    187,028.04x = 26,363,197,714.62
  5. Step 5: Solve for x
    x = 26,363,197,714.62/187,028.04
  6. Step 6: Final answer
    x = 140,958.53

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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.