Home / 113,828.26-156,936.96-93,334.81

Finding the Fourth Proportional to 113,828.26, 156,936.96 and 93,334.81

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Solution

The fourth proportional to 113,828.26, 156,936.96 and 93,334.81 is: 128,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,828.26 : 156,936.96 = 93,334.81 : x
  2. Step 2: Convert to fraction form
    113,828.26/156,936.96 = 93,334.81/x
  3. Step 3: Cross multiply
    113,828.26x = 156,936.96 × 93,334.81
  4. Step 4: Simplify right side
    113,828.26x = 14,647,681,343.58
  5. Step 5: Solve for x
    x = 14,647,681,343.58/113,828.26
  6. Step 6: Final answer
    x = 128,682.30

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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.