Home / 146,746.91-220,167.65-66,813.48

Finding the Fourth Proportional to 146,746.91, 220,167.65 and 66,813.48

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Solution

The fourth proportional to 146,746.91, 220,167.65 and 66,813.48 is: 100,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,746.91 : 220,167.65 = 66,813.48 : x
  2. Step 2: Convert to fraction form
    146,746.91/220,167.65 = 66,813.48/x
  3. Step 3: Cross multiply
    146,746.91x = 220,167.65 × 66,813.48
  4. Step 4: Simplify right side
    146,746.91x = 14,710,166,879.92
  5. Step 5: Solve for x
    x = 14,710,166,879.92/146,746.91
  6. Step 6: Final answer
    x = 100,241.75

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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.