Home / 132,763.17-183,129.46-79,008.06

Finding the Fourth Proportional to 132,763.17, 183,129.46 and 79,008.06

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Solution

The fourth proportional to 132,763.17, 183,129.46 and 79,008.06 is: 108,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,763.17 : 183,129.46 = 79,008.06 : x
  2. Step 2: Convert to fraction form
    132,763.17/183,129.46 = 79,008.06/x
  3. Step 3: Cross multiply
    132,763.17x = 183,129.46 × 79,008.06
  4. Step 4: Simplify right side
    132,763.17x = 14,468,703,165.93
  5. Step 5: Solve for x
    x = 14,468,703,165.93/132,763.17
  6. Step 6: Final answer
    x = 108,981.30

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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.