Home / 354,815.10-531,347.85-235,842.30

Finding the Fourth Proportional to 354,815.10, 531,347.85 and 235,842.30

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Solution

The fourth proportional to 354,815.10, 531,347.85 and 235,842.30 is: 353,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,815.10 : 531,347.85 = 235,842.30 : x
  2. Step 2: Convert to fraction form
    354,815.10/531,347.85 = 235,842.30/x
  3. Step 3: Cross multiply
    354,815.10x = 531,347.85 × 235,842.30
  4. Step 4: Simplify right side
    354,815.10x = 125,314,299,044.06
  5. Step 5: Solve for x
    x = 125,314,299,044.06/354,815.10
  6. Step 6: Final answer
    x = 353,181.98

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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.