Home / 110,989.10-153,160.44-63,238.40

Finding the Fourth Proportional to 110,989.10, 153,160.44 and 63,238.40

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Solution

The fourth proportional to 110,989.10, 153,160.44 and 63,238.40 is: 87,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,989.10 : 153,160.44 = 63,238.40 : x
  2. Step 2: Convert to fraction form
    110,989.10/153,160.44 = 63,238.40/x
  3. Step 3: Cross multiply
    110,989.10x = 153,160.44 × 63,238.40
  4. Step 4: Simplify right side
    110,989.10x = 9,685,621,168.90
  5. Step 5: Solve for x
    x = 9,685,621,168.90/110,989.10
  6. Step 6: Final answer
    x = 87,266.42

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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.