Home / 132,190.83-182,423.16-71,761.50

Finding the Fourth Proportional to 132,190.83, 182,423.16 and 71,761.50

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Solution

The fourth proportional to 132,190.83, 182,423.16 and 71,761.50 is: 99,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,190.83 : 182,423.16 = 71,761.50 : x
  2. Step 2: Convert to fraction form
    132,190.83/182,423.16 = 71,761.50/x
  3. Step 3: Cross multiply
    132,190.83x = 182,423.16 × 71,761.50
  4. Step 4: Simplify right side
    132,190.83x = 13,090,959,596.34
  5. Step 5: Solve for x
    x = 13,090,959,596.34/132,190.83
  6. Step 6: Final answer
    x = 99,030.77

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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.