Home / 132,803.91-183,262.86-72,374.36

Finding the Fourth Proportional to 132,803.91, 183,262.86 and 72,374.36

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Solution

The fourth proportional to 132,803.91, 183,262.86 and 72,374.36 is: 99,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,803.91 : 183,262.86 = 72,374.36 : x
  2. Step 2: Convert to fraction form
    132,803.91/183,262.86 = 72,374.36/x
  3. Step 3: Cross multiply
    132,803.91x = 183,262.86 × 72,374.36
  4. Step 4: Simplify right side
    132,803.91x = 13,263,531,287.96
  5. Step 5: Solve for x
    x = 13,263,531,287.96/132,803.91
  6. Step 6: Final answer
    x = 99,873.05

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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.