Home / 384,172.11-530,226.91-229,133.35

Finding the Fourth Proportional to 384,172.11, 530,226.91 and 229,133.35

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Solution

The fourth proportional to 384,172.11, 530,226.91 and 229,133.35 is: 316,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,172.11 : 530,226.91 = 229,133.35 : x
  2. Step 2: Convert to fraction form
    384,172.11/530,226.91 = 229,133.35/x
  3. Step 3: Cross multiply
    384,172.11x = 530,226.91 × 229,133.35
  4. Step 4: Simplify right side
    384,172.11x = 121,492,667,538.92
  5. Step 5: Solve for x
    x = 121,492,667,538.92/384,172.11
  6. Step 6: Final answer
    x = 316,245.41

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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.