Home / 146,795.60-220,193.40-76,665.80

Finding the Fourth Proportional to 146,795.60, 220,193.40 and 76,665.80

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Solution

The fourth proportional to 146,795.60, 220,193.40 and 76,665.80 is: 114,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,795.60 : 220,193.40 = 76,665.80 : x
  2. Step 2: Convert to fraction form
    146,795.60/220,193.40 = 76,665.80/x
  3. Step 3: Cross multiply
    146,795.60x = 220,193.40 × 76,665.80
  4. Step 4: Simplify right side
    146,795.60x = 16,881,303,165.72
  5. Step 5: Solve for x
    x = 16,881,303,165.72/146,795.60
  6. Step 6: Final answer
    x = 114,998.70

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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.