Home / 132,773.18-183,143.28-79,018.06

Finding the Fourth Proportional to 132,773.18, 183,143.28 and 79,018.06

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Solution

The fourth proportional to 132,773.18, 183,143.28 and 79,018.06 is: 108,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,773.18 : 183,143.28 = 79,018.06 : x
  2. Step 2: Convert to fraction form
    132,773.18/183,143.28 = 79,018.06/x
  3. Step 3: Cross multiply
    132,773.18x = 183,143.28 × 79,018.06
  4. Step 4: Simplify right side
    132,773.18x = 14,471,626,687.64
  5. Step 5: Solve for x
    x = 14,471,626,687.64/132,773.18
  6. Step 6: Final answer
    x = 108,995.10

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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.