Home / 229,252.20-343,878.30-71,479.40

Finding the Fourth Proportional to 229,252.20, 343,878.30 and 71,479.40

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Solution

The fourth proportional to 229,252.20, 343,878.30 and 71,479.40 is: 107,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,252.20 : 343,878.30 = 71,479.40 : x
  2. Step 2: Convert to fraction form
    229,252.20/343,878.30 = 71,479.40/x
  3. Step 3: Cross multiply
    229,252.20x = 343,878.30 × 71,479.40
  4. Step 4: Simplify right side
    229,252.20x = 24,580,214,557.02
  5. Step 5: Solve for x
    x = 24,580,214,557.02/229,252.20
  6. Step 6: Final answer
    x = 107,219.10

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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.