Home / 229,217.43-343,826.28-79,457.76

Finding the Fourth Proportional to 229,217.43, 343,826.28 and 79,457.76

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Solution

The fourth proportional to 229,217.43, 343,826.28 and 79,457.76 is: 119,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,217.43 : 343,826.28 = 79,457.76 : x
  2. Step 2: Convert to fraction form
    229,217.43/343,826.28 = 79,457.76/x
  3. Step 3: Cross multiply
    229,217.43x = 343,826.28 × 79,457.76
  4. Step 4: Simplify right side
    229,217.43x = 27,319,666,037.93
  5. Step 5: Solve for x
    x = 27,319,666,037.93/229,217.43
  6. Step 6: Final answer
    x = 119,186.69

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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.