Home / 146,513.20-219,794.10-57,769.60

Finding the Fourth Proportional to 146,513.20, 219,794.10 and 57,769.60

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Solution

The fourth proportional to 146,513.20, 219,794.10 and 57,769.60 is: 86,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,513.20 : 219,794.10 = 57,769.60 : x
  2. Step 2: Convert to fraction form
    146,513.20/219,794.10 = 57,769.60/x
  3. Step 3: Cross multiply
    146,513.20x = 219,794.10 × 57,769.60
  4. Step 4: Simplify right side
    146,513.20x = 12,697,417,239.36
  5. Step 5: Solve for x
    x = 12,697,417,239.36/146,513.20
  6. Step 6: Final answer
    x = 86,663.98

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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.