Home / 146,410.20-219,639.60-57,666.60

Finding the Fourth Proportional to 146,410.20, 219,639.60 and 57,666.60

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Solution

The fourth proportional to 146,410.20, 219,639.60 and 57,666.60 is: 86,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,410.20 : 219,639.60 = 57,666.60 : x
  2. Step 2: Convert to fraction form
    146,410.20/219,639.60 = 57,666.60/x
  3. Step 3: Cross multiply
    146,410.20x = 219,639.60 × 57,666.60
  4. Step 4: Simplify right side
    146,410.20x = 12,665,868,957.36
  5. Step 5: Solve for x
    x = 12,665,868,957.36/146,410.20
  6. Step 6: Final answer
    x = 86,509.47

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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.