Home / 175,638.43-263,458.35-42,518.49

Finding the Fourth Proportional to 175,638.43, 263,458.35 and 42,518.49

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Solution

The fourth proportional to 175,638.43, 263,458.35 and 42,518.49 is: 63,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,638.43 : 263,458.35 = 42,518.49 : x
  2. Step 2: Convert to fraction form
    175,638.43/263,458.35 = 42,518.49/x
  3. Step 3: Cross multiply
    175,638.43x = 263,458.35 × 42,518.49
  4. Step 4: Simplify right side
    175,638.43x = 11,201,851,219.89
  5. Step 5: Solve for x
    x = 11,201,851,219.89/175,638.43
  6. Step 6: Final answer
    x = 63,777.91

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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.