Home / 125,140.32-187,734.10-50,266.34

Finding the Fourth Proportional to 125,140.32, 187,734.10 and 50,266.34

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Solution

The fourth proportional to 125,140.32, 187,734.10 and 50,266.34 is: 75,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,140.32 : 187,734.10 = 50,266.34 : x
  2. Step 2: Convert to fraction form
    125,140.32/187,734.10 = 50,266.34/x
  3. Step 3: Cross multiply
    125,140.32x = 187,734.10 × 50,266.34
  4. Step 4: Simplify right side
    125,140.32x = 9,436,706,100.19
  5. Step 5: Solve for x
    x = 9,436,706,100.19/125,140.32
  6. Step 6: Final answer
    x = 75,409.00

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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.