Home / 142,282.64-213,449.88-48,767.60

Finding the Fourth Proportional to 142,282.64, 213,449.88 and 48,767.60

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Solution

The fourth proportional to 142,282.64, 213,449.88 and 48,767.60 is: 73,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,282.64 : 213,449.88 = 48,767.60 : x
  2. Step 2: Convert to fraction form
    142,282.64/213,449.88 = 48,767.60/x
  3. Step 3: Cross multiply
    142,282.64x = 213,449.88 × 48,767.60
  4. Step 4: Simplify right side
    142,282.64x = 10,409,438,367.89
  5. Step 5: Solve for x
    x = 10,409,438,367.89/142,282.64
  6. Step 6: Final answer
    x = 73,160.28

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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.