Home / 161,582.45-242,012.74-117,107.10

Finding the Fourth Proportional to 161,582.45, 242,012.74 and 117,107.10

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Solution

The fourth proportional to 161,582.45, 242,012.74 and 117,107.10 is: 175,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,582.45 : 242,012.74 = 117,107.10 : x
  2. Step 2: Convert to fraction form
    161,582.45/242,012.74 = 117,107.10/x
  3. Step 3: Cross multiply
    161,582.45x = 242,012.74 × 117,107.10
  4. Step 4: Simplify right side
    161,582.45x = 28,341,410,144.45
  5. Step 5: Solve for x
    x = 28,341,410,144.45/161,582.45
  6. Step 6: Final answer
    x = 175,399.06

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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.