Home / 132,733.11-183,165.77-77,547.54

Finding the Fourth Proportional to 132,733.11, 183,165.77 and 77,547.54

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Solution

The fourth proportional to 132,733.11, 183,165.77 and 77,547.54 is: 107,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,733.11 : 183,165.77 = 77,547.54 : x
  2. Step 2: Convert to fraction form
    132,733.11/183,165.77 = 77,547.54/x
  3. Step 3: Cross multiply
    132,733.11x = 183,165.77 × 77,547.54
  4. Step 4: Simplify right side
    132,733.11x = 14,204,054,487.97
  5. Step 5: Solve for x
    x = 14,204,054,487.97/132,733.11
  6. Step 6: Final answer
    x = 107,012.14

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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.