Home / 171,928.88-257,557.84-112,584.63

Finding the Fourth Proportional to 171,928.88, 257,557.84 and 112,584.63

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Solution

The fourth proportional to 171,928.88, 257,557.84 and 112,584.63 is: 168,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,928.88 : 257,557.84 = 112,584.63 : x
  2. Step 2: Convert to fraction form
    171,928.88/257,557.84 = 112,584.63/x
  3. Step 3: Cross multiply
    171,928.88x = 257,557.84 × 112,584.63
  4. Step 4: Simplify right side
    171,928.88x = 28,997,054,804.38
  5. Step 5: Solve for x
    x = 28,997,054,804.38/171,928.88
  6. Step 6: Final answer
    x = 168,657.27

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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.