Home / 187,028.93-258,099.58-102,145.97

Finding the Fourth Proportional to 187,028.93, 258,099.58 and 102,145.97

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Solution

The fourth proportional to 187,028.93, 258,099.58 and 102,145.97 is: 140,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,028.93 : 258,099.58 = 102,145.97 : x
  2. Step 2: Convert to fraction form
    187,028.93/258,099.58 = 102,145.97/x
  3. Step 3: Cross multiply
    187,028.93x = 258,099.58 × 102,145.97
  4. Step 4: Simplify right side
    187,028.93x = 26,363,831,955.69
  5. Step 5: Solve for x
    x = 26,363,831,955.69/187,028.93
  6. Step 6: Final answer
    x = 140,961.25

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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.