Home / 132,880.41-183,371.58-72,451.17

Finding the Fourth Proportional to 132,880.41, 183,371.58 and 72,451.17

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Solution

The fourth proportional to 132,880.41, 183,371.58 and 72,451.17 is: 99,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880.41 : 183,371.58 = 72,451.17 : x
  2. Step 2: Convert to fraction form
    132,880.41/183,371.58 = 72,451.17/x
  3. Step 3: Cross multiply
    132,880.41x = 183,371.58 × 72,451.17
  4. Step 4: Simplify right side
    132,880.41x = 13,285,485,515.75
  5. Step 5: Solve for x
    x = 13,285,485,515.75/132,880.41
  6. Step 6: Final answer
    x = 99,980.77

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1.5x scale

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.