Home / 132,883.34-183,375.02-72,455.18

Finding the Fourth Proportional to 132,883.34, 183,375.02 and 72,455.18

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Solution

The fourth proportional to 132,883.34, 183,375.02 and 72,455.18 is: 99,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,883.34 : 183,375.02 = 72,455.18 : x
  2. Step 2: Convert to fraction form
    132,883.34/183,375.02 = 72,455.18/x
  3. Step 3: Cross multiply
    132,883.34x = 183,375.02 × 72,455.18
  4. Step 4: Simplify right side
    132,883.34x = 13,286,469,345.87
  5. Step 5: Solve for x
    x = 13,286,469,345.87/132,883.34
  6. Step 6: Final answer
    x = 99,985.97

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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.