Home / 175,003.20-262,699.20-108,518.40

Finding the Fourth Proportional to 175,003.20, 262,699.20 and 108,518.40

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Solution

The fourth proportional to 175,003.20, 262,699.20 and 108,518.40 is: 162,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,003.20 : 262,699.20 = 108,518.40 : x
  2. Step 2: Convert to fraction form
    175,003.20/262,699.20 = 108,518.40/x
  3. Step 3: Cross multiply
    175,003.20x = 262,699.20 × 108,518.40
  4. Step 4: Simplify right side
    175,003.20x = 28,507,696,865.28
  5. Step 5: Solve for x
    x = 28,507,696,865.28/175,003.20
  6. Step 6: Final answer
    x = 162,898.15

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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.