Home / 110,309.22-165,430.95-40,172.13

Finding the Fourth Proportional to 110,309.22, 165,430.95 and 40,172.13

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Solution

The fourth proportional to 110,309.22, 165,430.95 and 40,172.13 is: 60,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,309.22 : 165,430.95 = 40,172.13 : x
  2. Step 2: Convert to fraction form
    110,309.22/165,430.95 = 40,172.13/x
  3. Step 3: Cross multiply
    110,309.22x = 165,430.95 × 40,172.13
  4. Step 4: Simplify right side
    110,309.22x = 6,645,713,629.42
  5. Step 5: Solve for x
    x = 6,645,713,629.42/110,309.22
  6. Step 6: Final answer
    x = 60,246.22

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1.5x scale

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.