Home / 132,780.26-183,113.65-98,872.04

Finding the Fourth Proportional to 132,780.26, 183,113.65 and 98,872.04

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Solution

The fourth proportional to 132,780.26, 183,113.65 and 98,872.04 is: 136,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,780.26 : 183,113.65 = 98,872.04 : x
  2. Step 2: Convert to fraction form
    132,780.26/183,113.65 = 98,872.04/x
  3. Step 3: Cross multiply
    132,780.26x = 183,113.65 × 98,872.04
  4. Step 4: Simplify right side
    132,780.26x = 18,104,820,127.35
  5. Step 5: Solve for x
    x = 18,104,820,127.35/132,780.26
  6. Step 6: Final answer
    x = 136,351.74

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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.