Home / 147,072.80-220,501.20-58,282.40

Finding the Fourth Proportional to 147,072.80, 220,501.20 and 58,282.40

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Solution

The fourth proportional to 147,072.80, 220,501.20 and 58,282.40 is: 87,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,072.80 : 220,501.20 = 58,282.40 : x
  2. Step 2: Convert to fraction form
    147,072.80/220,501.20 = 58,282.40/x
  3. Step 3: Cross multiply
    147,072.80x = 220,501.20 × 58,282.40
  4. Step 4: Simplify right side
    147,072.80x = 12,851,339,138.88
  5. Step 5: Solve for x
    x = 12,851,339,138.88/147,072.80
  6. Step 6: Final answer
    x = 87,380.80

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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.