Home / 147,578.22-221,290.46-52,771.86

Finding the Fourth Proportional to 147,578.22, 221,290.46 and 52,771.86

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Solution

The fourth proportional to 147,578.22, 221,290.46 and 52,771.86 is: 79,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,578.22 : 221,290.46 = 52,771.86 : x
  2. Step 2: Convert to fraction form
    147,578.22/221,290.46 = 52,771.86/x
  3. Step 3: Cross multiply
    147,578.22x = 221,290.46 × 52,771.86
  4. Step 4: Simplify right side
    147,578.22x = 11,677,909,174.46
  5. Step 5: Solve for x
    x = 11,677,909,174.46/147,578.22
  6. Step 6: Final answer
    x = 79,130.30

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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.