Home / 147,268.86-220,837.68-53,709

Finding the Fourth Proportional to 147,268.86, 220,837.68 and 53,709

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Solution

The fourth proportional to 147,268.86, 220,837.68 and 53,709 is: 80,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,268.86 : 220,837.68 = 53,709 : x
  2. Step 2: Convert to fraction form
    147,268.86/220,837.68 = 53,709/x
  3. Step 3: Cross multiply
    147,268.86x = 220,837.68 × 53,709
  4. Step 4: Simplify right side
    147,268.86x = 11,860,970,955.12
  5. Step 5: Solve for x
    x = 11,860,970,955.12/147,268.86
  6. Step 6: Final answer
    x = 80,539.57

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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.