Home / 384,154.03-576,231.18-103,671.28

Finding the Fourth Proportional to 384,154.03, 576,231.18 and 103,671.28

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Solution

The fourth proportional to 384,154.03, 576,231.18 and 103,671.28 is: 155,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,154.03 : 576,231.18 = 103,671.28 : x
  2. Step 2: Convert to fraction form
    384,154.03/576,231.18 = 103,671.28/x
  3. Step 3: Cross multiply
    384,154.03x = 576,231.18 × 103,671.28
  4. Step 4: Simplify right side
    384,154.03x = 59,738,624,006.51
  5. Step 5: Solve for x
    x = 59,738,624,006.51/384,154.03
  6. Step 6: Final answer
    x = 155,506.96

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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.