Home / 168,678.03-232,949.99-145,907.72

Finding the Fourth Proportional to 168,678.03, 232,949.99 and 145,907.72

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Solution

The fourth proportional to 168,678.03, 232,949.99 and 145,907.72 is: 201,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,678.03 : 232,949.99 = 145,907.72 : x
  2. Step 2: Convert to fraction form
    168,678.03/232,949.99 = 145,907.72/x
  3. Step 3: Cross multiply
    168,678.03x = 232,949.99 × 145,907.72
  4. Step 4: Simplify right side
    168,678.03x = 33,989,201,914.92
  5. Step 5: Solve for x
    x = 33,989,201,914.92/168,678.03
  6. Step 6: Final answer
    x = 201,503.43

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1.5x scale

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.