Home / 125,191.36-172,706.24-110,865.84

Finding the Fourth Proportional to 125,191.36, 172,706.24 and 110,865.84

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Solution

The fourth proportional to 125,191.36, 172,706.24 and 110,865.84 is: 152,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,191.36 : 172,706.24 = 110,865.84 : x
  2. Step 2: Convert to fraction form
    125,191.36/172,706.24 = 110,865.84/x
  3. Step 3: Cross multiply
    125,191.36x = 172,706.24 × 110,865.84
  4. Step 4: Simplify right side
    125,191.36x = 19,147,222,370.84
  5. Step 5: Solve for x
    x = 19,147,222,370.84/125,191.36
  6. Step 6: Final answer
    x = 152,943.64

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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.