Home / 110,988.90-153,135.16-63,241.22

Finding the Fourth Proportional to 110,988.90, 153,135.16 and 63,241.22

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Solution

The fourth proportional to 110,988.90, 153,135.16 and 63,241.22 is: 87,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,988.90 : 153,135.16 = 63,241.22 : x
  2. Step 2: Convert to fraction form
    110,988.90/153,135.16 = 63,241.22/x
  3. Step 3: Cross multiply
    110,988.90x = 153,135.16 × 63,241.22
  4. Step 4: Simplify right side
    110,988.90x = 9,684,454,568.03
  5. Step 5: Solve for x
    x = 9,684,454,568.03/110,988.90
  6. Step 6: Final answer
    x = 87,256.06

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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.