Home / 132,885.43-183,426.33-79,187.29

Finding the Fourth Proportional to 132,885.43, 183,426.33 and 79,187.29

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Solution

The fourth proportional to 132,885.43, 183,426.33 and 79,187.29 is: 109,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,885.43 : 183,426.33 = 79,187.29 : x
  2. Step 2: Convert to fraction form
    132,885.43/183,426.33 = 79,187.29/x
  3. Step 3: Cross multiply
    132,885.43x = 183,426.33 × 79,187.29
  4. Step 4: Simplify right side
    132,885.43x = 14,525,033,987.35
  5. Step 5: Solve for x
    x = 14,525,033,987.35/132,885.43
  6. Step 6: Final answer
    x = 109,304.94

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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.