Home / 113,528.26-156,669.02-65,809.29

Finding the Fourth Proportional to 113,528.26, 156,669.02 and 65,809.29

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Solution

The fourth proportional to 113,528.26, 156,669.02 and 65,809.29 is: 90,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,528.26 : 156,669.02 = 65,809.29 : x
  2. Step 2: Convert to fraction form
    113,528.26/156,669.02 = 65,809.29/x
  3. Step 3: Cross multiply
    113,528.26x = 156,669.02 × 65,809.29
  4. Step 4: Simplify right side
    113,528.26x = 10,310,276,971.20
  5. Step 5: Solve for x
    x = 10,310,276,971.20/113,528.26
  6. Step 6: Final answer
    x = 90,816.83

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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.