Home / 175,865.40-263,795.72-42,745.28

Finding the Fourth Proportional to 175,865.40, 263,795.72 and 42,745.28

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Solution

The fourth proportional to 175,865.40, 263,795.72 and 42,745.28 is: 64,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,865.40 : 263,795.72 = 42,745.28 : x
  2. Step 2: Convert to fraction form
    175,865.40/263,795.72 = 42,745.28/x
  3. Step 3: Cross multiply
    175,865.40x = 263,795.72 × 42,745.28
  4. Step 4: Simplify right side
    175,865.40x = 11,276,021,914.20
  5. Step 5: Solve for x
    x = 11,276,021,914.20/175,865.40
  6. Step 6: Final answer
    x = 64,117.34

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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.