Home / 175,555.12-242,433.36-165,991.36

Finding the Fourth Proportional to 175,555.12, 242,433.36 and 165,991.36

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Solution

The fourth proportional to 175,555.12, 242,433.36 and 165,991.36 is: 229,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,555.12 : 242,433.36 = 165,991.36 : x
  2. Step 2: Convert to fraction form
    175,555.12/242,433.36 = 165,991.36/x
  3. Step 3: Cross multiply
    175,555.12x = 242,433.36 × 165,991.36
  4. Step 4: Simplify right side
    175,555.12x = 40,241,843,135.77
  5. Step 5: Solve for x
    x = 40,241,843,135.77/175,555.12
  6. Step 6: Final answer
    x = 229,226.26

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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.