Home / 113,717.71-156,986.67-88,166.26

Finding the Fourth Proportional to 113,717.71, 156,986.67 and 88,166.26

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Solution

The fourth proportional to 113,717.71, 156,986.67 and 88,166.26 is: 121,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,717.71 : 156,986.67 = 88,166.26 : x
  2. Step 2: Convert to fraction form
    113,717.71/156,986.67 = 88,166.26/x
  3. Step 3: Cross multiply
    113,717.71x = 156,986.67 × 88,166.26
  4. Step 4: Simplify right side
    113,717.71x = 13,840,927,563.75
  5. Step 5: Solve for x
    x = 13,840,927,563.75/113,717.71
  6. Step 6: Final answer
    x = 121,713.03

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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.