Home / 147,021.52-220,605.24-58,273.12

Finding the Fourth Proportional to 147,021.52, 220,605.24 and 58,273.12

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Solution

The fourth proportional to 147,021.52, 220,605.24 and 58,273.12 is: 87,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,021.52 : 220,605.24 = 58,273.12 : x
  2. Step 2: Convert to fraction form
    147,021.52/220,605.24 = 58,273.12/x
  3. Step 3: Cross multiply
    147,021.52x = 220,605.24 × 58,273.12
  4. Step 4: Simplify right side
    147,021.52x = 12,855,355,623.15
  5. Step 5: Solve for x
    x = 12,855,355,623.15/147,021.52
  6. Step 6: Final answer
    x = 87,438.60

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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.