Home / 177,145.68-244,322.80-113,489.40

Finding the Fourth Proportional to 177,145.68, 244,322.80 and 113,489.40

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Solution

The fourth proportional to 177,145.68, 244,322.80 and 113,489.40 is: 156,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,145.68 : 244,322.80 = 113,489.40 : x
  2. Step 2: Convert to fraction form
    177,145.68/244,322.80 = 113,489.40/x
  3. Step 3: Cross multiply
    177,145.68x = 244,322.80 × 113,489.40
  4. Step 4: Simplify right side
    177,145.68x = 27,728,047,978.32
  5. Step 5: Solve for x
    x = 27,728,047,978.32/177,145.68
  6. Step 6: Final answer
    x = 156,526.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.