Home / 435,642.08-653,283.25-189,181.70

Finding the Fourth Proportional to 435,642.08, 653,283.25 and 189,181.70

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Solution

The fourth proportional to 435,642.08, 653,283.25 and 189,181.70 is: 283,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,642.08 : 653,283.25 = 189,181.70 : x
  2. Step 2: Convert to fraction form
    435,642.08/653,283.25 = 189,181.70/x
  3. Step 3: Cross multiply
    435,642.08x = 653,283.25 × 189,181.70
  4. Step 4: Simplify right side
    435,642.08x = 123,589,235,397.16
  5. Step 5: Solve for x
    x = 123,589,235,397.16/435,642.08
  6. Step 6: Final answer
    x = 283,694.44

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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.