Home / 110,530.10-165,989.55-107,030.90

Finding the Fourth Proportional to 110,530.10, 165,989.55 and 107,030.90

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Solution

The fourth proportional to 110,530.10, 165,989.55 and 107,030.90 is: 160,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,530.10 : 165,989.55 = 107,030.90 : x
  2. Step 2: Convert to fraction form
    110,530.10/165,989.55 = 107,030.90/x
  3. Step 3: Cross multiply
    110,530.10x = 165,989.55 × 107,030.90
  4. Step 4: Simplify right side
    110,530.10x = 17,766,010,927.10
  5. Step 5: Solve for x
    x = 17,766,010,927.10/110,530.10
  6. Step 6: Final answer
    x = 160,734.60

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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.