Home / 125,561.30-188,343.49-36,816.56

Finding the Fourth Proportional to 125,561.30, 188,343.49 and 36,816.56

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Solution

The fourth proportional to 125,561.30, 188,343.49 and 36,816.56 is: 55,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,561.30 : 188,343.49 = 36,816.56 : x
  2. Step 2: Convert to fraction form
    125,561.30/188,343.49 = 36,816.56/x
  3. Step 3: Cross multiply
    125,561.30x = 188,343.49 × 36,816.56
  4. Step 4: Simplify right side
    125,561.30x = 6,934,159,400.19
  5. Step 5: Solve for x
    x = 6,934,159,400.19/125,561.30
  6. Step 6: Final answer
    x = 55,225.29

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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.