Home / 231,885.70-347,569.35-98,743.30

Finding the Fourth Proportional to 231,885.70, 347,569.35 and 98,743.30

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Solution

The fourth proportional to 231,885.70, 347,569.35 and 98,743.30 is: 148,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,885.70 : 347,569.35 = 98,743.30 : x
  2. Step 2: Convert to fraction form
    231,885.70/347,569.35 = 98,743.30/x
  3. Step 3: Cross multiply
    231,885.70x = 347,569.35 × 98,743.30
  4. Step 4: Simplify right side
    231,885.70x = 34,320,144,597.86
  5. Step 5: Solve for x
    x = 34,320,144,597.86/231,885.70
  6. Step 6: Final answer
    x = 148,004.58

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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.