Home / 110,916.29-153,091.69-63,197.78

Finding the Fourth Proportional to 110,916.29, 153,091.69 and 63,197.78

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Solution

The fourth proportional to 110,916.29, 153,091.69 and 63,197.78 is: 87,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,916.29 : 153,091.69 = 63,197.78 : x
  2. Step 2: Convert to fraction form
    110,916.29/153,091.69 = 63,197.78/x
  3. Step 3: Cross multiply
    110,916.29x = 153,091.69 × 63,197.78
  4. Step 4: Simplify right side
    110,916.29x = 9,675,054,021.00
  5. Step 5: Solve for x
    x = 9,675,054,021.00/110,916.29
  6. Step 6: Final answer
    x = 87,228.43

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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.