Home / 347,708.32-521,536.56-111,076

Finding the Fourth Proportional to 347,708.32, 521,536.56 and 111,076

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Solution

The fourth proportional to 347,708.32, 521,536.56 and 111,076 is: 166,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,708.32 : 521,536.56 = 111,076 : x
  2. Step 2: Convert to fraction form
    347,708.32/521,536.56 = 111,076/x
  3. Step 3: Cross multiply
    347,708.32x = 521,536.56 × 111,076
  4. Step 4: Simplify right side
    347,708.32x = 57,930,194,938.56
  5. Step 5: Solve for x
    x = 57,930,194,938.56/347,708.32
  6. Step 6: Final answer
    x = 166,605.72

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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.