Home / 132,807.24-183,268.64-72,376.60

Finding the Fourth Proportional to 132,807.24, 183,268.64 and 72,376.60

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Solution

The fourth proportional to 132,807.24, 183,268.64 and 72,376.60 is: 99,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,807.24 : 183,268.64 = 72,376.60 : x
  2. Step 2: Convert to fraction form
    132,807.24/183,268.64 = 72,376.60/x
  3. Step 3: Cross multiply
    132,807.24x = 183,268.64 × 72,376.60
  4. Step 4: Simplify right side
    132,807.24x = 13,264,361,049.82
  5. Step 5: Solve for x
    x = 13,264,361,049.82/132,807.24
  6. Step 6: Final answer
    x = 99,876.79

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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.