Home / 132,753.12-183,197.88-76,173.36

Finding the Fourth Proportional to 132,753.12, 183,197.88 and 76,173.36

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Solution

The fourth proportional to 132,753.12, 183,197.88 and 76,173.36 is: 105,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,753.12 : 183,197.88 = 76,173.36 : x
  2. Step 2: Convert to fraction form
    132,753.12/183,197.88 = 76,173.36/x
  3. Step 3: Cross multiply
    132,753.12x = 183,197.88 × 76,173.36
  4. Step 4: Simplify right side
    132,753.12x = 13,954,798,064.48
  5. Step 5: Solve for x
    x = 13,954,798,064.48/132,753.12
  6. Step 6: Final answer
    x = 105,118.42

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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.