Home / 146,727.20-219,507.60-127,222.40

Finding the Fourth Proportional to 146,727.20, 219,507.60 and 127,222.40

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Solution

The fourth proportional to 146,727.20, 219,507.60 and 127,222.40 is: 190,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.20 : 219,507.60 = 127,222.40 : x
  2. Step 2: Convert to fraction form
    146,727.20/219,507.60 = 127,222.40/x
  3. Step 3: Cross multiply
    146,727.20x = 219,507.60 × 127,222.40
  4. Step 4: Simplify right side
    146,727.20x = 27,926,283,690.24
  5. Step 5: Solve for x
    x = 27,926,283,690.24/146,727.20
  6. Step 6: Final answer
    x = 190,327.93

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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.