Home / 132,844.11-183,321.20-72,415.93

Finding the Fourth Proportional to 132,844.11, 183,321.20 and 72,415.93

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Solution

The fourth proportional to 132,844.11, 183,321.20 and 72,415.93 is: 99,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,844.11 : 183,321.20 = 72,415.93 : x
  2. Step 2: Convert to fraction form
    132,844.11/183,321.20 = 72,415.93/x
  3. Step 3: Cross multiply
    132,844.11x = 183,321.20 × 72,415.93
  4. Step 4: Simplify right side
    132,844.11x = 13,275,375,186.72
  5. Step 5: Solve for x
    x = 13,275,375,186.72/132,844.11
  6. Step 6: Final answer
    x = 99,931.98

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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.