Home / 146,797.60-220,196.40-76,667.80

Finding the Fourth Proportional to 146,797.60, 220,196.40 and 76,667.80

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Solution

The fourth proportional to 146,797.60, 220,196.40 and 76,667.80 is: 115,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,797.60 : 220,196.40 = 76,667.80 : x
  2. Step 2: Convert to fraction form
    146,797.60/220,196.40 = 76,667.80/x
  3. Step 3: Cross multiply
    146,797.60x = 220,196.40 × 76,667.80
  4. Step 4: Simplify right side
    146,797.60x = 16,881,973,555.92
  5. Step 5: Solve for x
    x = 16,881,973,555.92/146,797.60
  6. Step 6: Final answer
    x = 115,001.70

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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.