Home / 132,780.51-183,114-98,872.29

Finding the Fourth Proportional to 132,780.51, 183,114 and 98,872.29

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Solution

The fourth proportional to 132,780.51, 183,114 and 98,872.29 is: 136,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,780.51 : 183,114 = 98,872.29 : x
  2. Step 2: Convert to fraction form
    132,780.51/183,114 = 98,872.29/x
  3. Step 3: Cross multiply
    132,780.51x = 183,114 × 98,872.29
  4. Step 4: Simplify right side
    132,780.51x = 18,104,900,511.06
  5. Step 5: Solve for x
    x = 18,104,900,511.06/132,780.51
  6. Step 6: Final answer
    x = 136,352.09

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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.