Home / 113,528.44-156,703.17-65,803.24

Finding the Fourth Proportional to 113,528.44, 156,703.17 and 65,803.24

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Solution

The fourth proportional to 113,528.44, 156,703.17 and 65,803.24 is: 90,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,528.44 : 156,703.17 = 65,803.24 : x
  2. Step 2: Convert to fraction form
    113,528.44/156,703.17 = 65,803.24/x
  3. Step 3: Cross multiply
    113,528.44x = 156,703.17 × 65,803.24
  4. Step 4: Simplify right side
    113,528.44x = 10,311,576,304.27
  5. Step 5: Solve for x
    x = 10,311,576,304.27/113,528.44
  6. Step 6: Final answer
    x = 90,828.13

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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.