Home / 132,886.18-183,427.37-79,188.04

Finding the Fourth Proportional to 132,886.18, 183,427.37 and 79,188.04

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Solution

The fourth proportional to 132,886.18, 183,427.37 and 79,188.04 is: 109,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,886.18 : 183,427.37 = 79,188.04 : x
  2. Step 2: Convert to fraction form
    132,886.18/183,427.37 = 79,188.04/x
  3. Step 3: Cross multiply
    132,886.18x = 183,427.37 × 79,188.04
  4. Step 4: Simplify right side
    132,886.18x = 14,525,253,912.65
  5. Step 5: Solve for x
    x = 14,525,253,912.65/132,886.18
  6. Step 6: Final answer
    x = 109,305.98

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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.