Home / 229,237.20-343,855.80-71,464.40

Finding the Fourth Proportional to 229,237.20, 343,855.80 and 71,464.40

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Solution

The fourth proportional to 229,237.20, 343,855.80 and 71,464.40 is: 107,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,237.20 : 343,855.80 = 71,464.40 : x
  2. Step 2: Convert to fraction form
    229,237.20/343,855.80 = 71,464.40/x
  3. Step 3: Cross multiply
    229,237.20x = 343,855.80 × 71,464.40
  4. Step 4: Simplify right side
    229,237.20x = 24,573,448,433.52
  5. Step 5: Solve for x
    x = 24,573,448,433.52/229,237.20
  6. Step 6: Final answer
    x = 107,196.60

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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.