Home / 146,722.20-219,392.10-109,397.40

Finding the Fourth Proportional to 146,722.20, 219,392.10 and 109,397.40

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Solution

The fourth proportional to 146,722.20, 219,392.10 and 109,397.40 is: 163,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,722.20 : 219,392.10 = 109,397.40 : x
  2. Step 2: Convert to fraction form
    146,722.20/219,392.10 = 109,397.40/x
  3. Step 3: Cross multiply
    146,722.20x = 219,392.10 × 109,397.40
  4. Step 4: Simplify right side
    146,722.20x = 24,000,925,320.54
  5. Step 5: Solve for x
    x = 24,000,925,320.54/146,722.20
  6. Step 6: Final answer
    x = 163,580.74

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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.