Home / 384,173.11-530,228.29-229,134.35

Finding the Fourth Proportional to 384,173.11, 530,228.29 and 229,134.35

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Solution

The fourth proportional to 384,173.11, 530,228.29 and 229,134.35 is: 316,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,173.11 : 530,228.29 = 229,134.35 : x
  2. Step 2: Convert to fraction form
    384,173.11/530,228.29 = 229,134.35/x
  3. Step 3: Cross multiply
    384,173.11x = 530,228.29 × 229,134.35
  4. Step 4: Simplify right side
    384,173.11x = 121,493,514,580.76
  5. Step 5: Solve for x
    x = 121,493,514,580.76/384,173.11
  6. Step 6: Final answer
    x = 316,246.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.