Home / 386,522.10-579,322.35-161,882.10

Finding the Fourth Proportional to 386,522.10, 579,322.35 and 161,882.10

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Solution

The fourth proportional to 386,522.10, 579,322.35 and 161,882.10 is: 242,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,522.10 : 579,322.35 = 161,882.10 : x
  2. Step 2: Convert to fraction form
    386,522.10/579,322.35 = 161,882.10/x
  3. Step 3: Cross multiply
    386,522.10x = 579,322.35 × 161,882.10
  4. Step 4: Simplify right side
    386,522.10x = 93,781,918,594.94
  5. Step 5: Solve for x
    x = 93,781,918,594.94/386,522.10
  6. Step 6: Final answer
    x = 242,630.16

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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.