Home / 125,683.11-188,527.14-100,606.77

Finding the Fourth Proportional to 125,683.11, 188,527.14 and 100,606.77

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Solution

The fourth proportional to 125,683.11, 188,527.14 and 100,606.77 is: 150,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,683.11 : 188,527.14 = 100,606.77 : x
  2. Step 2: Convert to fraction form
    125,683.11/188,527.14 = 100,606.77/x
  3. Step 3: Cross multiply
    125,683.11x = 188,527.14 × 100,606.77
  4. Step 4: Simplify right side
    125,683.11x = 18,967,106,612.74
  5. Step 5: Solve for x
    x = 18,967,106,612.74/125,683.11
  6. Step 6: Final answer
    x = 150,912.14

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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.