Home / 133,265.10-199,638.45-73,994.70

Finding the Fourth Proportional to 133,265.10, 199,638.45 and 73,994.70

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Solution

The fourth proportional to 133,265.10, 199,638.45 and 73,994.70 is: 110,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265.10 : 199,638.45 = 73,994.70 : x
  2. Step 2: Convert to fraction form
    133,265.10/199,638.45 = 73,994.70/x
  3. Step 3: Cross multiply
    133,265.10x = 199,638.45 × 73,994.70
  4. Step 4: Simplify right side
    133,265.10x = 14,772,187,216.22
  5. Step 5: Solve for x
    x = 14,772,187,216.22/133,265.10
  6. Step 6: Final answer
    x = 110,848.13

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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.