Home / 132,676.86-183,090.38-72,246.18

Finding the Fourth Proportional to 132,676.86, 183,090.38 and 72,246.18

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Solution

The fourth proportional to 132,676.86, 183,090.38 and 72,246.18 is: 99,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,676.86 : 183,090.38 = 72,246.18 : x
  2. Step 2: Convert to fraction form
    132,676.86/183,090.38 = 72,246.18/x
  3. Step 3: Cross multiply
    132,676.86x = 183,090.38 × 72,246.18
  4. Step 4: Simplify right side
    132,676.86x = 13,227,580,549.75
  5. Step 5: Solve for x
    x = 13,227,580,549.75/132,676.86
  6. Step 6: Final answer
    x = 99,697.72

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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.