Home / 132,754.55-183,117.58-78,999.44

Finding the Fourth Proportional to 132,754.55, 183,117.58 and 78,999.44

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Solution

The fourth proportional to 132,754.55, 183,117.58 and 78,999.44 is: 108,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,754.55 : 183,117.58 = 78,999.44 : x
  2. Step 2: Convert to fraction form
    132,754.55/183,117.58 = 78,999.44/x
  3. Step 3: Cross multiply
    132,754.55x = 183,117.58 × 78,999.44
  4. Step 4: Simplify right side
    132,754.55x = 14,466,185,161.07
  5. Step 5: Solve for x
    x = 14,466,185,161.07/132,754.55
  6. Step 6: Final answer
    x = 108,969.42

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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.