Home / 384,156.03-576,234.18-103,673.28

Finding the Fourth Proportional to 384,156.03, 576,234.18 and 103,673.28

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Solution

The fourth proportional to 384,156.03, 576,234.18 and 103,673.28 is: 155,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,156.03 : 576,234.18 = 103,673.28 : x
  2. Step 2: Convert to fraction form
    384,156.03/576,234.18 = 103,673.28/x
  3. Step 3: Cross multiply
    384,156.03x = 576,234.18 × 103,673.28
  4. Step 4: Simplify right side
    384,156.03x = 59,740,087,488.71
  5. Step 5: Solve for x
    x = 59,740,087,488.71/384,156.03
  6. Step 6: Final answer
    x = 155,509.96

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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.