Home / 132,898.05-183,345.12-81,188.46

Finding the Fourth Proportional to 132,898.05, 183,345.12 and 81,188.46

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Solution

The fourth proportional to 132,898.05, 183,345.12 and 81,188.46 is: 112,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,898.05 : 183,345.12 = 81,188.46 : x
  2. Step 2: Convert to fraction form
    132,898.05/183,345.12 = 81,188.46/x
  3. Step 3: Cross multiply
    132,898.05x = 183,345.12 × 81,188.46
  4. Step 4: Simplify right side
    132,898.05x = 14,885,507,941.32
  5. Step 5: Solve for x
    x = 14,885,507,941.32/132,898.05
  6. Step 6: Final answer
    x = 112,006.97

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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.