Home / 132,614.56-183,012.04-81,656.69

Finding the Fourth Proportional to 132,614.56, 183,012.04 and 81,656.69

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Solution

The fourth proportional to 132,614.56, 183,012.04 and 81,656.69 is: 112,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,614.56 : 183,012.04 = 81,656.69 : x
  2. Step 2: Convert to fraction form
    132,614.56/183,012.04 = 81,656.69/x
  3. Step 3: Cross multiply
    132,614.56x = 183,012.04 × 81,656.69
  4. Step 4: Simplify right side
    132,614.56x = 14,944,156,603.56
  5. Step 5: Solve for x
    x = 14,944,156,603.56/132,614.56
  6. Step 6: Final answer
    x = 112,688.66

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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.