Home / 132,673.95-183,087.42-72,245.31

Finding the Fourth Proportional to 132,673.95, 183,087.42 and 72,245.31

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Solution

The fourth proportional to 132,673.95, 183,087.42 and 72,245.31 is: 99,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,673.95 : 183,087.42 = 72,245.31 : x
  2. Step 2: Convert to fraction form
    132,673.95/183,087.42 = 72,245.31/x
  3. Step 3: Cross multiply
    132,673.95x = 183,087.42 × 72,245.31
  4. Step 4: Simplify right side
    132,673.95x = 13,227,207,415.00
  5. Step 5: Solve for x
    x = 13,227,207,415.00/132,673.95
  6. Step 6: Final answer
    x = 99,697.10

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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.