Home / 132,602.86-182,992.70-72,173.36

Finding the Fourth Proportional to 132,602.86, 182,992.70 and 72,173.36

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Solution

The fourth proportional to 132,602.86, 182,992.70 and 72,173.36 is: 99,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,602.86 : 182,992.70 = 72,173.36 : x
  2. Step 2: Convert to fraction form
    132,602.86/182,992.70 = 72,173.36/x
  3. Step 3: Cross multiply
    132,602.86x = 182,992.70 × 72,173.36
  4. Step 4: Simplify right side
    132,602.86x = 13,207,197,623.05
  5. Step 5: Solve for x
    x = 13,207,197,623.05/132,602.86
  6. Step 6: Final answer
    x = 99,599.65

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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.