Home / 180,345.26-270,727.53-105,519.11

Finding the Fourth Proportional to 180,345.26, 270,727.53 and 105,519.11

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Solution

The fourth proportional to 180,345.26, 270,727.53 and 105,519.11 is: 158,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,345.26 : 270,727.53 = 105,519.11 : x
  2. Step 2: Convert to fraction form
    180,345.26/270,727.53 = 105,519.11/x
  3. Step 3: Cross multiply
    180,345.26x = 270,727.53 × 105,519.11
  4. Step 4: Simplify right side
    180,345.26x = 28,566,927,084.89
  5. Step 5: Solve for x
    x = 28,566,927,084.89/180,345.26
  6. Step 6: Final answer
    x = 158,401.32

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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.