Home / 437,597.09-656,021.22-167,918.75

Finding the Fourth Proportional to 437,597.09, 656,021.22 and 167,918.75

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Solution

The fourth proportional to 437,597.09, 656,021.22 and 167,918.75 is: 251,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,597.09 : 656,021.22 = 167,918.75 : x
  2. Step 2: Convert to fraction form
    437,597.09/656,021.22 = 167,918.75/x
  3. Step 3: Cross multiply
    437,597.09x = 656,021.22 × 167,918.75
  4. Step 4: Simplify right side
    437,597.09x = 110,158,259,955.77
  5. Step 5: Solve for x
    x = 110,158,259,955.77/437,597.09
  6. Step 6: Final answer
    x = 251,734.45

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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.