Home / 171,444.28-257,041.84-71,633.02

Finding the Fourth Proportional to 171,444.28, 257,041.84 and 71,633.02

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Solution

The fourth proportional to 171,444.28, 257,041.84 and 71,633.02 is: 107,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,444.28 : 257,041.84 = 71,633.02 : x
  2. Step 2: Convert to fraction form
    171,444.28/257,041.84 = 71,633.02/x
  3. Step 3: Cross multiply
    171,444.28x = 257,041.84 × 71,633.02
  4. Step 4: Simplify right side
    171,444.28x = 18,412,683,265.56
  5. Step 5: Solve for x
    x = 18,412,683,265.56/171,444.28
  6. Step 6: Final answer
    x = 107,397.48

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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.