Home / 147,166.88-220,830.05-113,951.81

Finding the Fourth Proportional to 147,166.88, 220,830.05 and 113,951.81

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Solution

The fourth proportional to 147,166.88, 220,830.05 and 113,951.81 is: 170,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,166.88 : 220,830.05 = 113,951.81 : x
  2. Step 2: Convert to fraction form
    147,166.88/220,830.05 = 113,951.81/x
  3. Step 3: Cross multiply
    147,166.88x = 220,830.05 × 113,951.81
  4. Step 4: Simplify right side
    147,166.88x = 25,163,984,095.87
  5. Step 5: Solve for x
    x = 25,163,984,095.87/147,166.88
  6. Step 6: Final answer
    x = 170,989.46

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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.