Home / 132,827.56-183,287.28-79,105.12

Finding the Fourth Proportional to 132,827.56, 183,287.28 and 79,105.12

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Solution

The fourth proportional to 132,827.56, 183,287.28 and 79,105.12 is: 109,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,827.56 : 183,287.28 = 79,105.12 : x
  2. Step 2: Convert to fraction form
    132,827.56/183,287.28 = 79,105.12/x
  3. Step 3: Cross multiply
    132,827.56x = 183,287.28 × 79,105.12
  4. Step 4: Simplify right side
    132,827.56x = 14,498,962,278.87
  5. Step 5: Solve for x
    x = 14,498,962,278.87/132,827.56
  6. Step 6: Final answer
    x = 109,156.28

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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.