Home / 132,961.32-183,554.31-102,678.66

Finding the Fourth Proportional to 132,961.32, 183,554.31 and 102,678.66

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Solution

The fourth proportional to 132,961.32, 183,554.31 and 102,678.66 is: 141,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,961.32 : 183,554.31 = 102,678.66 : x
  2. Step 2: Convert to fraction form
    132,961.32/183,554.31 = 102,678.66/x
  3. Step 3: Cross multiply
    132,961.32x = 183,554.31 × 102,678.66
  4. Step 4: Simplify right side
    132,961.32x = 18,847,110,588.02
  5. Step 5: Solve for x
    x = 18,847,110,588.02/132,961.32
  6. Step 6: Final answer
    x = 141,748.82

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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.