Home / 132,845.66-183,326.82-72,416.42

Finding the Fourth Proportional to 132,845.66, 183,326.82 and 72,416.42

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Solution

The fourth proportional to 132,845.66, 183,326.82 and 72,416.42 is: 99,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,845.66 : 183,326.82 = 72,416.42 : x
  2. Step 2: Convert to fraction form
    132,845.66/183,326.82 = 72,416.42/x
  3. Step 3: Cross multiply
    132,845.66x = 183,326.82 × 72,416.42
  4. Step 4: Simplify right side
    132,845.66x = 13,275,871,994.38
  5. Step 5: Solve for x
    x = 13,275,871,994.38/132,845.66
  6. Step 6: Final answer
    x = 99,934.56

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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.