Home / 172,187.51-258,283.43-45,826.98

Finding the Fourth Proportional to 172,187.51, 258,283.43 and 45,826.98

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Solution

The fourth proportional to 172,187.51, 258,283.43 and 45,826.98 is: 68,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,187.51 : 258,283.43 = 45,826.98 : x
  2. Step 2: Convert to fraction form
    172,187.51/258,283.43 = 45,826.98/x
  3. Step 3: Cross multiply
    172,187.51x = 258,283.43 × 45,826.98
  4. Step 4: Simplify right side
    172,187.51x = 11,836,350,265.72
  5. Step 5: Solve for x
    x = 11,836,350,265.72/172,187.51
  6. Step 6: Final answer
    x = 68,741.05

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1.5x scale

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.