Home / 229,222.91-343,909.08-115,311.93

Finding the Fourth Proportional to 229,222.91, 343,909.08 and 115,311.93

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Solution

The fourth proportional to 229,222.91, 343,909.08 and 115,311.93 is: 173,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,222.91 : 343,909.08 = 115,311.93 : x
  2. Step 2: Convert to fraction form
    229,222.91/343,909.08 = 115,311.93/x
  3. Step 3: Cross multiply
    229,222.91x = 343,909.08 × 115,311.93
  4. Step 4: Simplify right side
    229,222.91x = 39,656,818,469.67
  5. Step 5: Solve for x
    x = 39,656,818,469.67/229,222.91
  6. Step 6: Final answer
    x = 173,005.47

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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.