Home / 117,513.12-176,268.96-42,615.84

Finding the Fourth Proportional to 117,513.12, 176,268.96 and 42,615.84

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Solution

The fourth proportional to 117,513.12, 176,268.96 and 42,615.84 is: 63,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,513.12 : 176,268.96 = 42,615.84 : x
  2. Step 2: Convert to fraction form
    117,513.12/176,268.96 = 42,615.84/x
  3. Step 3: Cross multiply
    117,513.12x = 176,268.96 × 42,615.84
  4. Step 4: Simplify right side
    117,513.12x = 7,511,849,796.33
  5. Step 5: Solve for x
    x = 7,511,849,796.33/117,513.12
  6. Step 6: Final answer
    x = 63,923.50

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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.