Home / 119,909.24-179,821.64-39,925.49

Finding the Fourth Proportional to 119,909.24, 179,821.64 and 39,925.49

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Solution

The fourth proportional to 119,909.24, 179,821.64 and 39,925.49 is: 59,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,909.24 : 179,821.64 = 39,925.49 : x
  2. Step 2: Convert to fraction form
    119,909.24/179,821.64 = 39,925.49/x
  3. Step 3: Cross multiply
    119,909.24x = 179,821.64 × 39,925.49
  4. Step 4: Simplify right side
    119,909.24x = 7,179,467,301.81
  5. Step 5: Solve for x
    x = 7,179,467,301.81/119,909.24
  6. Step 6: Final answer
    x = 59,874.18

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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.