Home / 146,920.72-220,400.64-58,153.44

Finding the Fourth Proportional to 146,920.72, 220,400.64 and 58,153.44

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Solution

The fourth proportional to 146,920.72, 220,400.64 and 58,153.44 is: 87,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,920.72 : 220,400.64 = 58,153.44 : x
  2. Step 2: Convert to fraction form
    146,920.72/220,400.64 = 58,153.44/x
  3. Step 3: Cross multiply
    146,920.72x = 220,400.64 × 58,153.44
  4. Step 4: Simplify right side
    146,920.72x = 12,817,055,394.20
  5. Step 5: Solve for x
    x = 12,817,055,394.20/146,920.72
  6. Step 6: Final answer
    x = 87,237.90

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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.