Home / 129,011.84-193,539.66-40,263.38

Finding the Fourth Proportional to 129,011.84, 193,539.66 and 40,263.38

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Solution

The fourth proportional to 129,011.84, 193,539.66 and 40,263.38 is: 60,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,011.84 : 193,539.66 = 40,263.38 : x
  2. Step 2: Convert to fraction form
    129,011.84/193,539.66 = 40,263.38/x
  3. Step 3: Cross multiply
    129,011.84x = 193,539.66 × 40,263.38
  4. Step 4: Simplify right side
    129,011.84x = 7,792,560,875.65
  5. Step 5: Solve for x
    x = 7,792,560,875.65/129,011.84
  6. Step 6: Final answer
    x = 60,401.90

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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.