Home / 132,845.11-183,322.58-72,416.93

Finding the Fourth Proportional to 132,845.11, 183,322.58 and 72,416.93

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Solution

The fourth proportional to 132,845.11, 183,322.58 and 72,416.93 is: 99,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,845.11 : 183,322.58 = 72,416.93 : x
  2. Step 2: Convert to fraction form
    132,845.11/183,322.58 = 72,416.93/x
  3. Step 3: Cross multiply
    132,845.11x = 183,322.58 × 72,416.93
  4. Step 4: Simplify right side
    132,845.11x = 13,275,658,443.28
  5. Step 5: Solve for x
    x = 13,275,658,443.28/132,845.11
  6. Step 6: Final answer
    x = 99,933.36

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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.