Home / 272,805.36-376,488.60-153,581.04

Finding the Fourth Proportional to 272,805.36, 376,488.60 and 153,581.04

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Solution

The fourth proportional to 272,805.36, 376,488.60 and 153,581.04 is: 211,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,805.36 : 376,488.60 = 153,581.04 : x
  2. Step 2: Convert to fraction form
    272,805.36/376,488.60 = 153,581.04/x
  3. Step 3: Cross multiply
    272,805.36x = 376,488.60 × 153,581.04
  4. Step 4: Simplify right side
    272,805.36x = 57,821,510,736.14
  5. Step 5: Solve for x
    x = 57,821,510,736.14/272,805.36
  6. Step 6: Final answer
    x = 211,951.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.