Home / 125,341.63-187,918.94-75,410.03

Finding the Fourth Proportional to 125,341.63, 187,918.94 and 75,410.03

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Solution

The fourth proportional to 125,341.63, 187,918.94 and 75,410.03 is: 113,058.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,341.63 : 187,918.94 = 75,410.03 : x
  2. Step 2: Convert to fraction form
    125,341.63/187,918.94 = 75,410.03/x
  3. Step 3: Cross multiply
    125,341.63x = 187,918.94 × 75,410.03
  4. Step 4: Simplify right side
    125,341.63x = 14,170,971,815.80
  5. Step 5: Solve for x
    x = 14,170,971,815.80/125,341.63
  6. Step 6: Final answer
    x = 113,058.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.