Home / 121,534.33-182,319.72-42,634.66

Finding the Fourth Proportional to 121,534.33, 182,319.72 and 42,634.66

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Solution

The fourth proportional to 121,534.33, 182,319.72 and 42,634.66 is: 63,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,534.33 : 182,319.72 = 42,634.66 : x
  2. Step 2: Convert to fraction form
    121,534.33/182,319.72 = 42,634.66/x
  3. Step 3: Cross multiply
    121,534.33x = 182,319.72 × 42,634.66
  4. Step 4: Simplify right side
    121,534.33x = 7,773,139,273.50
  5. Step 5: Solve for x
    x = 7,773,139,273.50/121,534.33
  6. Step 6: Final answer
    x = 63,958.38

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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.