Home / 132,680.48-183,089.76-75,320.96

Finding the Fourth Proportional to 132,680.48, 183,089.76 and 75,320.96

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Solution

The fourth proportional to 132,680.48, 183,089.76 and 75,320.96 is: 103,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,680.48 : 183,089.76 = 75,320.96 : x
  2. Step 2: Convert to fraction form
    132,680.48/183,089.76 = 75,320.96/x
  3. Step 3: Cross multiply
    132,680.48x = 183,089.76 × 75,320.96
  4. Step 4: Simplify right side
    132,680.48x = 13,790,496,489.37
  5. Step 5: Solve for x
    x = 13,790,496,489.37/132,680.48
  6. Step 6: Final answer
    x = 103,937.64

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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.