Home / 132,997.36-183,560.08-79,285.84

Finding the Fourth Proportional to 132,997.36, 183,560.08 and 79,285.84

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Solution

The fourth proportional to 132,997.36, 183,560.08 and 79,285.84 is: 109,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,997.36 : 183,560.08 = 79,285.84 : x
  2. Step 2: Convert to fraction form
    132,997.36/183,560.08 = 79,285.84/x
  3. Step 3: Cross multiply
    132,997.36x = 183,560.08 × 79,285.84
  4. Step 4: Simplify right side
    132,997.36x = 14,553,715,133.27
  5. Step 5: Solve for x
    x = 14,553,715,133.27/132,997.36
  6. Step 6: Final answer
    x = 109,428.60

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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.