Home / 115,761.54-174,509.91-108,045.93

Finding the Fourth Proportional to 115,761.54, 174,509.91 and 108,045.93

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Solution

The fourth proportional to 115,761.54, 174,509.91 and 108,045.93 is: 162,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,761.54 : 174,509.91 = 108,045.93 : x
  2. Step 2: Convert to fraction form
    115,761.54/174,509.91 = 108,045.93/x
  3. Step 3: Cross multiply
    115,761.54x = 174,509.91 × 108,045.93
  4. Step 4: Simplify right side
    115,761.54x = 18,855,085,520.17
  5. Step 5: Solve for x
    x = 18,855,085,520.17/115,761.54
  6. Step 6: Final answer
    x = 162,878.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.