Home / 403,849.76-557,292.72-234,139.04

Finding the Fourth Proportional to 403,849.76, 557,292.72 and 234,139.04

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Solution

The fourth proportional to 403,849.76, 557,292.72 and 234,139.04 is: 323,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,849.76 : 557,292.72 = 234,139.04 : x
  2. Step 2: Convert to fraction form
    403,849.76/557,292.72 = 234,139.04/x
  3. Step 3: Cross multiply
    403,849.76x = 557,292.72 × 234,139.04
  4. Step 4: Simplify right side
    403,849.76x = 130,483,982,459.79
  5. Step 5: Solve for x
    x = 130,483,982,459.79/403,849.76
  6. Step 6: Final answer
    x = 323,100.31

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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.