Home / 153,003.15-229,450.05-53,166.60

Finding the Fourth Proportional to 153,003.15, 229,450.05 and 53,166.60

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Solution

The fourth proportional to 153,003.15, 229,450.05 and 53,166.60 is: 79,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,003.15 : 229,450.05 = 53,166.60 : x
  2. Step 2: Convert to fraction form
    153,003.15/229,450.05 = 53,166.60/x
  3. Step 3: Cross multiply
    153,003.15x = 229,450.05 × 53,166.60
  4. Step 4: Simplify right side
    153,003.15x = 12,199,079,028.33
  5. Step 5: Solve for x
    x = 12,199,079,028.33/153,003.15
  6. Step 6: Final answer
    x = 79,730.90

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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.