Home / 133,026.80-199,271.40-82,953.20

Finding the Fourth Proportional to 133,026.80, 199,271.40 and 82,953.20

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Solution

The fourth proportional to 133,026.80, 199,271.40 and 82,953.20 is: 124,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.80 : 199,271.40 = 82,953.20 : x
  2. Step 2: Convert to fraction form
    133,026.80/199,271.40 = 82,953.20/x
  3. Step 3: Cross multiply
    133,026.80x = 199,271.40 × 82,953.20
  4. Step 4: Simplify right side
    133,026.80x = 16,530,200,298.48
  5. Step 5: Solve for x
    x = 16,530,200,298.48/133,026.80
  6. Step 6: Final answer
    x = 124,262.18

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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.