Home / 146,095.20-219,142.80-83,714.40

Finding the Fourth Proportional to 146,095.20, 219,142.80 and 83,714.40

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Solution

The fourth proportional to 146,095.20, 219,142.80 and 83,714.40 is: 125,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,095.20 : 219,142.80 = 83,714.40 : x
  2. Step 2: Convert to fraction form
    146,095.20/219,142.80 = 83,714.40/x
  3. Step 3: Cross multiply
    146,095.20x = 219,142.80 × 83,714.40
  4. Step 4: Simplify right side
    146,095.20x = 18,345,408,016.32
  5. Step 5: Solve for x
    x = 18,345,408,016.32/146,095.20
  6. Step 6: Final answer
    x = 125,571.60

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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.