Home / 171,570.27-257,387.79-64,986.15

Finding the Fourth Proportional to 171,570.27, 257,387.79 and 64,986.15

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Solution

The fourth proportional to 171,570.27, 257,387.79 and 64,986.15 is: 97,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,570.27 : 257,387.79 = 64,986.15 : x
  2. Step 2: Convert to fraction form
    171,570.27/257,387.79 = 64,986.15/x
  3. Step 3: Cross multiply
    171,570.27x = 257,387.79 × 64,986.15
  4. Step 4: Simplify right side
    171,570.27x = 16,726,641,529.11
  5. Step 5: Solve for x
    x = 16,726,641,529.11/171,570.27
  6. Step 6: Final answer
    x = 97,491.49

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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.