Home / 171,629.80-257,444.70-141,886.60

Finding the Fourth Proportional to 171,629.80, 257,444.70 and 141,886.60

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Solution

The fourth proportional to 171,629.80, 257,444.70 and 141,886.60 is: 212,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,629.80 : 257,444.70 = 141,886.60 : x
  2. Step 2: Convert to fraction form
    171,629.80/257,444.70 = 141,886.60/x
  3. Step 3: Cross multiply
    171,629.80x = 257,444.70 × 141,886.60
  4. Step 4: Simplify right side
    171,629.80x = 36,527,953,171.02
  5. Step 5: Solve for x
    x = 36,527,953,171.02/171,629.80
  6. Step 6: Final answer
    x = 212,829.90

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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.