Home / 175,645.89-263,510.75-57,317.45

Finding the Fourth Proportional to 175,645.89, 263,510.75 and 57,317.45

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Solution

The fourth proportional to 175,645.89, 263,510.75 and 57,317.45 is: 85,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,645.89 : 263,510.75 = 57,317.45 : x
  2. Step 2: Convert to fraction form
    175,645.89/263,510.75 = 57,317.45/x
  3. Step 3: Cross multiply
    175,645.89x = 263,510.75 × 57,317.45
  4. Step 4: Simplify right side
    175,645.89x = 15,103,763,063.33
  5. Step 5: Solve for x
    x = 15,103,763,063.33/175,645.89
  6. Step 6: Final answer
    x = 85,989.85

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1.5x scale

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.