Home / 172,663.83-258,508.80-91,426.77

Finding the Fourth Proportional to 172,663.83, 258,508.80 and 91,426.77

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Solution

The fourth proportional to 172,663.83, 258,508.80 and 91,426.77 is: 136,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,663.83 : 258,508.80 = 91,426.77 : x
  2. Step 2: Convert to fraction form
    172,663.83/258,508.80 = 91,426.77/x
  3. Step 3: Cross multiply
    172,663.83x = 258,508.80 × 91,426.77
  4. Step 4: Simplify right side
    172,663.83x = 23,634,624,600.58
  5. Step 5: Solve for x
    x = 23,634,624,600.58/172,663.83
  6. Step 6: Final answer
    x = 136,882.31

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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.