Home / 146,543.60-219,811.28-46,709.78

Finding the Fourth Proportional to 146,543.60, 219,811.28 and 46,709.78

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Solution

The fourth proportional to 146,543.60, 219,811.28 and 46,709.78 is: 70,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,543.60 : 219,811.28 = 46,709.78 : x
  2. Step 2: Convert to fraction form
    146,543.60/219,811.28 = 46,709.78/x
  3. Step 3: Cross multiply
    146,543.60x = 219,811.28 × 46,709.78
  4. Step 4: Simplify right side
    146,543.60x = 10,267,336,530.32
  5. Step 5: Solve for x
    x = 10,267,336,530.32/146,543.60
  6. Step 6: Final answer
    x = 70,063.36

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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.