Home / 146,438.40-219,657.60-111,446.40

Finding the Fourth Proportional to 146,438.40, 219,657.60 and 111,446.40

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Solution

The fourth proportional to 146,438.40, 219,657.60 and 111,446.40 is: 167,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,438.40 : 219,657.60 = 111,446.40 : x
  2. Step 2: Convert to fraction form
    146,438.40/219,657.60 = 111,446.40/x
  3. Step 3: Cross multiply
    146,438.40x = 219,657.60 × 111,446.40
  4. Step 4: Simplify right side
    146,438.40x = 24,480,048,752.64
  5. Step 5: Solve for x
    x = 24,480,048,752.64/146,438.40
  6. Step 6: Final answer
    x = 167,169.60

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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.