Home / 347,615.38-521,291.84-160,495.66

Finding the Fourth Proportional to 347,615.38, 521,291.84 and 160,495.66

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Solution

The fourth proportional to 347,615.38, 521,291.84 and 160,495.66 is: 240,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,615.38 : 521,291.84 = 160,495.66 : x
  2. Step 2: Convert to fraction form
    347,615.38/521,291.84 = 160,495.66/x
  3. Step 3: Cross multiply
    347,615.38x = 521,291.84 × 160,495.66
  4. Step 4: Simplify right side
    347,615.38x = 83,665,077,913.41
  5. Step 5: Solve for x
    x = 83,665,077,913.41/347,615.38
  6. Step 6: Final answer
    x = 240,682.90

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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.