Home / 113,609.20-156,792.36-68,301.94

Finding the Fourth Proportional to 113,609.20, 156,792.36 and 68,301.94

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Solution

The fourth proportional to 113,609.20, 156,792.36 and 68,301.94 is: 94,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,609.20 : 156,792.36 = 68,301.94 : x
  2. Step 2: Convert to fraction form
    113,609.20/156,792.36 = 68,301.94/x
  3. Step 3: Cross multiply
    113,609.20x = 156,792.36 × 68,301.94
  4. Step 4: Simplify right side
    113,609.20x = 10,709,222,365.18
  5. Step 5: Solve for x
    x = 10,709,222,365.18/113,609.20
  6. Step 6: Final answer
    x = 94,263.69

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1.5x scale

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.