Home / 113,744.16-156,967.26-63,446.40

Finding the Fourth Proportional to 113,744.16, 156,967.26 and 63,446.40

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Solution

The fourth proportional to 113,744.16, 156,967.26 and 63,446.40 is: 87,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,744.16 : 156,967.26 = 63,446.40 : x
  2. Step 2: Convert to fraction form
    113,744.16/156,967.26 = 63,446.40/x
  3. Step 3: Cross multiply
    113,744.16x = 156,967.26 × 63,446.40
  4. Step 4: Simplify right side
    113,744.16x = 9,959,007,564.86
  5. Step 5: Solve for x
    x = 9,959,007,564.86/113,744.16
  6. Step 6: Final answer
    x = 87,556.21

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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.