Home / 110,507.48-165,759.98-66,146.60

Finding the Fourth Proportional to 110,507.48, 165,759.98 and 66,146.60

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Solution

The fourth proportional to 110,507.48, 165,759.98 and 66,146.60 is: 99,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,507.48 : 165,759.98 = 66,146.60 : x
  2. Step 2: Convert to fraction form
    110,507.48/165,759.98 = 66,146.60/x
  3. Step 3: Cross multiply
    110,507.48x = 165,759.98 × 66,146.60
  4. Step 4: Simplify right side
    110,507.48x = 10,964,459,093.07
  5. Step 5: Solve for x
    x = 10,964,459,093.07/110,507.48
  6. Step 6: Final answer
    x = 99,219.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.