Home / 146,235.20-219,352.80-106,318.40

Finding the Fourth Proportional to 146,235.20, 219,352.80 and 106,318.40

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Solution

The fourth proportional to 146,235.20, 219,352.80 and 106,318.40 is: 159,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,235.20 : 219,352.80 = 106,318.40 : x
  2. Step 2: Convert to fraction form
    146,235.20/219,352.80 = 106,318.40/x
  3. Step 3: Cross multiply
    146,235.20x = 219,352.80 × 106,318.40
  4. Step 4: Simplify right side
    146,235.20x = 23,321,238,731.52
  5. Step 5: Solve for x
    x = 23,321,238,731.52/146,235.20
  6. Step 6: Final answer
    x = 159,477.60

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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.