Home / 132,805.24-183,265.88-72,374.59

Finding the Fourth Proportional to 132,805.24, 183,265.88 and 72,374.59

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Solution

The fourth proportional to 132,805.24, 183,265.88 and 72,374.59 is: 99,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,805.24 : 183,265.88 = 72,374.59 : x
  2. Step 2: Convert to fraction form
    132,805.24/183,265.88 = 72,374.59/x
  3. Step 3: Cross multiply
    132,805.24x = 183,265.88 × 72,374.59
  4. Step 4: Simplify right side
    132,805.24x = 13,263,792,925.99
  5. Step 5: Solve for x
    x = 13,263,792,925.99/132,805.24
  6. Step 6: Final answer
    x = 99,874.02

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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.