Home / 434,401.12-651,441.84-150,019.32

Finding the Fourth Proportional to 434,401.12, 651,441.84 and 150,019.32

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Solution

The fourth proportional to 434,401.12, 651,441.84 and 150,019.32 is: 224,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,401.12 : 651,441.84 = 150,019.32 : x
  2. Step 2: Convert to fraction form
    434,401.12/651,441.84 = 150,019.32/x
  3. Step 3: Cross multiply
    434,401.12x = 651,441.84 × 150,019.32
  4. Step 4: Simplify right side
    434,401.12x = 97,728,861,856.35
  5. Step 5: Solve for x
    x = 97,728,861,856.35/434,401.12
  6. Step 6: Final answer
    x = 224,973.78

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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.