Home / 384,088.06-576,142.62-103,604.50

Finding the Fourth Proportional to 384,088.06, 576,142.62 and 103,604.50

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Solution

The fourth proportional to 384,088.06, 576,142.62 and 103,604.50 is: 155,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,088.06 : 576,142.62 = 103,604.50 : x
  2. Step 2: Convert to fraction form
    384,088.06/576,142.62 = 103,604.50/x
  3. Step 3: Cross multiply
    384,088.06x = 576,142.62 × 103,604.50
  4. Step 4: Simplify right side
    384,088.06x = 59,690,968,073.79
  5. Step 5: Solve for x
    x = 59,690,968,073.79/384,088.06
  6. Step 6: Final answer
    x = 155,409.59

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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.