Home / 146,128.23-219,173.88-46,298.55

Finding the Fourth Proportional to 146,128.23, 219,173.88 and 46,298.55

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Solution

The fourth proportional to 146,128.23, 219,173.88 and 46,298.55 is: 69,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,128.23 : 219,173.88 = 46,298.55 : x
  2. Step 2: Convert to fraction form
    146,128.23/219,173.88 = 46,298.55/x
  3. Step 3: Cross multiply
    146,128.23x = 219,173.88 × 46,298.55
  4. Step 4: Simplify right side
    146,128.23x = 10,147,432,841.87
  5. Step 5: Solve for x
    x = 10,147,432,841.87/146,128.23
  6. Step 6: Final answer
    x = 69,441.97

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1.5x scale

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.