Home / 146,815.28-220,255.67-46,981.46

Finding the Fourth Proportional to 146,815.28, 220,255.67 and 46,981.46

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Solution

The fourth proportional to 146,815.28, 220,255.67 and 46,981.46 is: 70,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,815.28 : 220,255.67 = 46,981.46 : x
  2. Step 2: Convert to fraction form
    146,815.28/220,255.67 = 46,981.46/x
  3. Step 3: Cross multiply
    146,815.28x = 220,255.67 × 46,981.46
  4. Step 4: Simplify right side
    146,815.28x = 10,347,933,265.61
  5. Step 5: Solve for x
    x = 10,347,933,265.61/146,815.28
  6. Step 6: Final answer
    x = 70,482.67

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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.